/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-ext3-properties/sll_nondet_insert-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 01:10:20,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 01:10:20,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 01:10:20,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 01:10:20,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 01:10:20,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 01:10:20,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 01:10:20,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 01:10:20,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 01:10:20,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 01:10:20,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 01:10:20,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 01:10:20,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 01:10:20,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 01:10:20,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 01:10:20,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 01:10:20,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 01:10:20,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 01:10:20,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 01:10:20,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 01:10:20,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 01:10:20,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 01:10:20,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 01:10:20,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 01:10:20,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 01:10:20,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 01:10:20,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 01:10:20,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 01:10:20,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 01:10:20,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 01:10:20,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 01:10:20,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 01:10:20,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 01:10:20,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 01:10:20,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 01:10:20,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 01:10:20,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 01:10:20,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 01:10:20,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 01:10:20,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 01:10:20,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 01:10:20,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 01:10:20,161 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 01:10:20,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 01:10:20,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 01:10:20,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 01:10:20,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 01:10:20,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 01:10:20,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 01:10:20,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 01:10:20,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 01:10:20,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 01:10:20,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 01:10:20,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 01:10:20,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 01:10:20,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 01:10:20,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 01:10:20,166 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 01:10:20,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 01:10:20,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 01:10:20,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 01:10:20,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 01:10:20,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 01:10:20,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 01:10:20,167 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 01:10:20,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 01:10:20,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 01:10:20,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 01:10:20,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 01:10:20,500 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 01:10:20,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2020-07-11 01:10:20,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c9dfb3e/2d79f19e823d46da8095d1bff7cb3acc/FLAG1aa0a23e1 [2020-07-11 01:10:21,165 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 01:10:21,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2020-07-11 01:10:21,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c9dfb3e/2d79f19e823d46da8095d1bff7cb3acc/FLAG1aa0a23e1 [2020-07-11 01:10:21,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c9dfb3e/2d79f19e823d46da8095d1bff7cb3acc [2020-07-11 01:10:21,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 01:10:21,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 01:10:21,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 01:10:21,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 01:10:21,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 01:10:21,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:10:21" (1/1) ... [2020-07-11 01:10:21,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a05f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:21, skipping insertion in model container [2020-07-11 01:10:21,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:10:21" (1/1) ... [2020-07-11 01:10:21,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 01:10:21,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 01:10:22,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:10:22,027 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 01:10:22,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:10:22,162 INFO L208 MainTranslator]: Completed translation [2020-07-11 01:10:22,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22 WrapperNode [2020-07-11 01:10:22,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 01:10:22,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 01:10:22,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 01:10:22,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 01:10:22,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... [2020-07-11 01:10:22,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 01:10:22,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 01:10:22,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 01:10:22,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 01:10:22,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 01:10:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 01:10:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 01:10:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-11 01:10:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-11 01:10:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-11 01:10:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-11 01:10:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2020-07-11 01:10:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-11 01:10:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2020-07-11 01:10:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2020-07-11 01:10:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 01:10:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 01:10:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 01:10:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-11 01:10:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-11 01:10:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-11 01:10:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-11 01:10:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-11 01:10:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-11 01:10:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-11 01:10:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-11 01:10:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-11 01:10:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-11 01:10:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-11 01:10:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-11 01:10:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-11 01:10:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-11 01:10:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-11 01:10:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-11 01:10:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-11 01:10:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-11 01:10:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-11 01:10:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-11 01:10:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-11 01:10:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-11 01:10:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-11 01:10:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-11 01:10:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-11 01:10:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-11 01:10:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-11 01:10:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-11 01:10:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-11 01:10:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-11 01:10:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-11 01:10:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-11 01:10:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-11 01:10:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-11 01:10:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-11 01:10:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-11 01:10:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-11 01:10:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-11 01:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-11 01:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-11 01:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-11 01:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-11 01:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-11 01:10:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-11 01:10:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-11 01:10:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-11 01:10:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-11 01:10:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-11 01:10:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-11 01:10:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-11 01:10:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-11 01:10:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-11 01:10:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-11 01:10:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-11 01:10:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-11 01:10:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-11 01:10:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-11 01:10:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-11 01:10:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-11 01:10:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-11 01:10:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-11 01:10:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-11 01:10:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-11 01:10:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-11 01:10:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-11 01:10:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-11 01:10:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-11 01:10:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-11 01:10:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-11 01:10:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-11 01:10:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-11 01:10:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2020-07-11 01:10:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2020-07-11 01:10:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 01:10:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 01:10:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-11 01:10:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 01:10:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 01:10:22,752 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-11 01:10:23,257 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 01:10:23,258 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-11 01:10:23,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:10:23 BoogieIcfgContainer [2020-07-11 01:10:23,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 01:10:23,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 01:10:23,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 01:10:23,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 01:10:23,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 01:10:21" (1/3) ... [2020-07-11 01:10:23,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1e5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:10:23, skipping insertion in model container [2020-07-11 01:10:23,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:10:22" (2/3) ... [2020-07-11 01:10:23,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1e5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:10:23, skipping insertion in model container [2020-07-11 01:10:23,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:10:23" (3/3) ... [2020-07-11 01:10:23,273 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2020-07-11 01:10:23,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 01:10:23,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 01:10:23,309 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 01:10:23,333 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 01:10:23,333 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 01:10:23,333 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 01:10:23,333 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 01:10:23,334 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 01:10:23,334 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 01:10:23,334 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 01:10:23,334 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 01:10:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-07-11 01:10:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-11 01:10:23,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:23,370 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-11 01:10:23,370 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:23,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:23,377 INFO L82 PathProgramCache]: Analyzing trace with hash 422432984, now seen corresponding path program 1 times [2020-07-11 01:10:23,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:23,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451691417] [2020-07-11 01:10:23,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:23,642 INFO L280 TraceCheckUtils]: 0: Hoare triple {178#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {145#true} is VALID [2020-07-11 01:10:23,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} #valid := #valid[0 := 0]; {145#true} is VALID [2020-07-11 01:10:23,643 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume 0 < #StackHeapBarrier; {145#true} is VALID [2020-07-11 01:10:23,643 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-11 01:10:23,644 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {145#true} {145#true} #259#return; {145#true} is VALID [2020-07-11 01:10:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:23,659 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-11 01:10:23,659 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-11 01:10:23,660 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-11 01:10:23,661 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-11 01:10:23,662 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-11 01:10:23,662 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-11 01:10:23,662 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {146#false} {145#true} #243#return; {146#false} is VALID [2020-07-11 01:10:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:23,695 INFO L280 TraceCheckUtils]: 0: Hoare triple {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {145#true} is VALID [2020-07-11 01:10:23,696 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~head~0.base, ~head~0.offset := 0, 0; {145#true} is VALID [2020-07-11 01:10:23,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-11 01:10:23,697 INFO L280 TraceCheckUtils]: 3: Hoare triple {146#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {146#false} is VALID [2020-07-11 01:10:23,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-11 01:10:23,698 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {146#false} {146#false} #245#return; {146#false} is VALID [2020-07-11 01:10:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:23,709 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-11 01:10:23,709 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-11 01:10:23,710 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-11 01:10:23,711 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-11 01:10:23,711 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-11 01:10:23,711 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-11 01:10:23,712 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {146#false} {146#false} #247#return; {146#false} is VALID [2020-07-11 01:10:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:23,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {145#true} is VALID [2020-07-11 01:10:23,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~len~0 := 0; {145#true} is VALID [2020-07-11 01:10:23,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume !(~head.base != 0 || ~head.offset != 0); {145#true} is VALID [2020-07-11 01:10:23,727 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} #res := ~len~0; {145#true} is VALID [2020-07-11 01:10:23,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-11 01:10:23,728 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {145#true} {146#false} #253#return; {146#false} is VALID [2020-07-11 01:10:23,730 INFO L263 TraceCheckUtils]: 0: Hoare triple {145#true} call ULTIMATE.init(); {178#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:23,730 INFO L280 TraceCheckUtils]: 1: Hoare triple {178#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {145#true} is VALID [2020-07-11 01:10:23,731 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} #valid := #valid[0 := 0]; {145#true} is VALID [2020-07-11 01:10:23,731 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume 0 < #StackHeapBarrier; {145#true} is VALID [2020-07-11 01:10:23,731 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-11 01:10:23,732 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {145#true} {145#true} #259#return; {145#true} is VALID [2020-07-11 01:10:23,732 INFO L263 TraceCheckUtils]: 6: Hoare triple {145#true} call #t~ret24 := main(); {145#true} is VALID [2020-07-11 01:10:23,732 INFO L263 TraceCheckUtils]: 7: Hoare triple {145#true} call #t~ret14 := _get_nondet_int(2, 5); {145#true} is VALID [2020-07-11 01:10:23,733 INFO L280 TraceCheckUtils]: 8: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-11 01:10:23,733 INFO L280 TraceCheckUtils]: 9: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-11 01:10:23,733 INFO L280 TraceCheckUtils]: 10: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-11 01:10:23,734 INFO L280 TraceCheckUtils]: 11: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-11 01:10:23,735 INFO L280 TraceCheckUtils]: 12: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-11 01:10:23,735 INFO L280 TraceCheckUtils]: 13: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-11 01:10:23,736 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {146#false} {145#true} #243#return; {146#false} is VALID [2020-07-11 01:10:23,736 INFO L280 TraceCheckUtils]: 15: Hoare triple {146#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {146#false} is VALID [2020-07-11 01:10:23,736 INFO L280 TraceCheckUtils]: 16: Hoare triple {146#false} ~len~2 := #t~ret14; {146#false} is VALID [2020-07-11 01:10:23,737 INFO L280 TraceCheckUtils]: 17: Hoare triple {146#false} havoc #t~ret14; {146#false} is VALID [2020-07-11 01:10:23,737 INFO L280 TraceCheckUtils]: 18: Hoare triple {146#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {146#false} is VALID [2020-07-11 01:10:23,738 INFO L263 TraceCheckUtils]: 19: Hoare triple {146#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:23,738 INFO L280 TraceCheckUtils]: 20: Hoare triple {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {145#true} is VALID [2020-07-11 01:10:23,738 INFO L280 TraceCheckUtils]: 21: Hoare triple {145#true} ~head~0.base, ~head~0.offset := 0, 0; {145#true} is VALID [2020-07-11 01:10:23,739 INFO L280 TraceCheckUtils]: 22: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-11 01:10:23,740 INFO L280 TraceCheckUtils]: 23: Hoare triple {146#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {146#false} is VALID [2020-07-11 01:10:23,740 INFO L280 TraceCheckUtils]: 24: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-11 01:10:23,740 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {146#false} {146#false} #245#return; {146#false} is VALID [2020-07-11 01:10:23,741 INFO L280 TraceCheckUtils]: 26: Hoare triple {146#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {146#false} is VALID [2020-07-11 01:10:23,741 INFO L280 TraceCheckUtils]: 27: Hoare triple {146#false} havoc #t~ret15.base, #t~ret15.offset; {146#false} is VALID [2020-07-11 01:10:23,741 INFO L263 TraceCheckUtils]: 28: Hoare triple {146#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {145#true} is VALID [2020-07-11 01:10:23,742 INFO L280 TraceCheckUtils]: 29: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-11 01:10:23,742 INFO L280 TraceCheckUtils]: 30: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-11 01:10:23,742 INFO L280 TraceCheckUtils]: 31: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-11 01:10:23,743 INFO L280 TraceCheckUtils]: 32: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-11 01:10:23,744 INFO L280 TraceCheckUtils]: 33: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-11 01:10:23,744 INFO L280 TraceCheckUtils]: 34: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-11 01:10:23,744 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {146#false} {146#false} #247#return; {146#false} is VALID [2020-07-11 01:10:23,744 INFO L280 TraceCheckUtils]: 36: Hoare triple {146#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {146#false} is VALID [2020-07-11 01:10:23,745 INFO L280 TraceCheckUtils]: 37: Hoare triple {146#false} ~k~0 := #t~ret16; {146#false} is VALID [2020-07-11 01:10:23,745 INFO L280 TraceCheckUtils]: 38: Hoare triple {146#false} havoc #t~ret16; {146#false} is VALID [2020-07-11 01:10:23,745 INFO L280 TraceCheckUtils]: 39: Hoare triple {146#false} ~i~0 := 0; {146#false} is VALID [2020-07-11 01:10:23,746 INFO L280 TraceCheckUtils]: 40: Hoare triple {146#false} assume !true; {146#false} is VALID [2020-07-11 01:10:23,746 INFO L280 TraceCheckUtils]: 41: Hoare triple {146#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {146#false} is VALID [2020-07-11 01:10:23,746 INFO L263 TraceCheckUtils]: 42: Hoare triple {146#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {145#true} is VALID [2020-07-11 01:10:23,747 INFO L280 TraceCheckUtils]: 43: Hoare triple {145#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {145#true} is VALID [2020-07-11 01:10:23,747 INFO L280 TraceCheckUtils]: 44: Hoare triple {145#true} ~len~0 := 0; {145#true} is VALID [2020-07-11 01:10:23,747 INFO L280 TraceCheckUtils]: 45: Hoare triple {145#true} assume !(~head.base != 0 || ~head.offset != 0); {145#true} is VALID [2020-07-11 01:10:23,748 INFO L280 TraceCheckUtils]: 46: Hoare triple {145#true} #res := ~len~0; {145#true} is VALID [2020-07-11 01:10:23,748 INFO L280 TraceCheckUtils]: 47: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-11 01:10:23,748 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {145#true} {146#false} #253#return; {146#false} is VALID [2020-07-11 01:10:23,749 INFO L280 TraceCheckUtils]: 49: Hoare triple {146#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {146#false} is VALID [2020-07-11 01:10:23,749 INFO L280 TraceCheckUtils]: 50: Hoare triple {146#false} assume ~k~0 + ~len~2 != #t~ret22; {146#false} is VALID [2020-07-11 01:10:23,749 INFO L280 TraceCheckUtils]: 51: Hoare triple {146#false} havoc #t~mem21.base, #t~mem21.offset; {146#false} is VALID [2020-07-11 01:10:23,750 INFO L280 TraceCheckUtils]: 52: Hoare triple {146#false} havoc #t~ret22; {146#false} is VALID [2020-07-11 01:10:23,750 INFO L280 TraceCheckUtils]: 53: Hoare triple {146#false} assume !false; {146#false} is VALID [2020-07-11 01:10:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-11 01:10:23,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451691417] [2020-07-11 01:10:23,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:10:23,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 01:10:23,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110790599] [2020-07-11 01:10:23,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-07-11 01:10:23,771 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:23,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 01:10:23,860 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:23,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 01:10:23,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:23,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 01:10:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 01:10:23,874 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 4 states. [2020-07-11 01:10:25,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:25,065 INFO L93 Difference]: Finished difference Result 289 states and 337 transitions. [2020-07-11 01:10:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 01:10:25,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-07-11 01:10:25,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 01:10:25,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2020-07-11 01:10:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 01:10:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2020-07-11 01:10:25,113 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 337 transitions. [2020-07-11 01:10:25,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 337 edges. 337 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:25,623 INFO L225 Difference]: With dead ends: 289 [2020-07-11 01:10:25,623 INFO L226 Difference]: Without dead ends: 123 [2020-07-11 01:10:25,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-11 01:10:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-11 01:10:25,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2020-07-11 01:10:25,808 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:25,809 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 114 states. [2020-07-11 01:10:25,810 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 114 states. [2020-07-11 01:10:25,810 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 114 states. [2020-07-11 01:10:25,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:25,823 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-11 01:10:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-07-11 01:10:25,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:25,825 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:25,826 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 123 states. [2020-07-11 01:10:25,826 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 123 states. [2020-07-11 01:10:25,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:25,836 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-11 01:10:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-07-11 01:10:25,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:25,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:25,842 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:25,842 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-11 01:10:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2020-07-11 01:10:25,852 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 54 [2020-07-11 01:10:25,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:25,853 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2020-07-11 01:10:25,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 01:10:25,853 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 123 transitions. [2020-07-11 01:10:25,994 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2020-07-11 01:10:25,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-11 01:10:25,998 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:25,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:10:25,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 01:10:25,999 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:26,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:26,000 INFO L82 PathProgramCache]: Analyzing trace with hash 333013349, now seen corresponding path program 1 times [2020-07-11 01:10:26,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:26,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791352912] [2020-07-11 01:10:26,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:26,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {1281#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1237#true} is VALID [2020-07-11 01:10:26,090 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} #valid := #valid[0 := 0]; {1237#true} is VALID [2020-07-11 01:10:26,091 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} assume 0 < #StackHeapBarrier; {1237#true} is VALID [2020-07-11 01:10:26,091 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,091 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1237#true} {1237#true} #259#return; {1237#true} is VALID [2020-07-11 01:10:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:26,262 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~from := #in~from; {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:26,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-11 01:10:26,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,266 INFO L280 TraceCheckUtils]: 3: Hoare triple {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,267 INFO L280 TraceCheckUtils]: 4: Hoare triple {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,268 INFO L280 TraceCheckUtils]: 5: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,268 INFO L280 TraceCheckUtils]: 6: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,269 INFO L280 TraceCheckUtils]: 7: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,270 INFO L280 TraceCheckUtils]: 8: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,271 INFO L280 TraceCheckUtils]: 9: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,272 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1237#true} #243#return; {1238#false} is VALID [2020-07-11 01:10:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:26,302 INFO L280 TraceCheckUtils]: 0: Hoare triple {1287#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1237#true} is VALID [2020-07-11 01:10:26,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~head~0.base, ~head~0.offset := 0, 0; {1237#true} is VALID [2020-07-11 01:10:26,303 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} #t~post2 := ~len; {1237#true} is VALID [2020-07-11 01:10:26,303 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} ~len := #t~post2 - 1; {1237#true} is VALID [2020-07-11 01:10:26,304 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume !(#t~post2 > 0); {1237#true} is VALID [2020-07-11 01:10:26,304 INFO L280 TraceCheckUtils]: 5: Hoare triple {1237#true} havoc #t~post2; {1237#true} is VALID [2020-07-11 01:10:26,304 INFO L280 TraceCheckUtils]: 6: Hoare triple {1237#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1237#true} is VALID [2020-07-11 01:10:26,304 INFO L280 TraceCheckUtils]: 7: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,305 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1237#true} {1238#false} #245#return; {1238#false} is VALID [2020-07-11 01:10:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:26,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~from := #in~from; {1237#true} is VALID [2020-07-11 01:10:26,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~until := #in~until; {1237#true} is VALID [2020-07-11 01:10:26,314 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} ~len~1 := ~from; {1237#true} is VALID [2020-07-11 01:10:26,314 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} #t~short12 := ~len~1 < ~until; {1237#true} is VALID [2020-07-11 01:10:26,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-11 01:10:26,315 INFO L280 TraceCheckUtils]: 5: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-11 01:10:26,315 INFO L280 TraceCheckUtils]: 6: Hoare triple {1237#true} havoc #t~nondet11; {1237#true} is VALID [2020-07-11 01:10:26,315 INFO L280 TraceCheckUtils]: 7: Hoare triple {1237#true} havoc #t~short12; {1237#true} is VALID [2020-07-11 01:10:26,315 INFO L280 TraceCheckUtils]: 8: Hoare triple {1237#true} #res := ~len~1; {1237#true} is VALID [2020-07-11 01:10:26,316 INFO L280 TraceCheckUtils]: 9: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,316 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1237#true} {1238#false} #247#return; {1238#false} is VALID [2020-07-11 01:10:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:26,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1237#true} is VALID [2020-07-11 01:10:26,323 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~len~0 := 0; {1237#true} is VALID [2020-07-11 01:10:26,324 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} assume !(~head.base != 0 || ~head.offset != 0); {1237#true} is VALID [2020-07-11 01:10:26,324 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} #res := ~len~0; {1237#true} is VALID [2020-07-11 01:10:26,324 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,325 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1237#true} {1238#false} #253#return; {1238#false} is VALID [2020-07-11 01:10:26,326 INFO L263 TraceCheckUtils]: 0: Hoare triple {1237#true} call ULTIMATE.init(); {1281#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:26,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {1281#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1237#true} is VALID [2020-07-11 01:10:26,326 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} #valid := #valid[0 := 0]; {1237#true} is VALID [2020-07-11 01:10:26,327 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} assume 0 < #StackHeapBarrier; {1237#true} is VALID [2020-07-11 01:10:26,327 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,327 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1237#true} {1237#true} #259#return; {1237#true} is VALID [2020-07-11 01:10:26,328 INFO L263 TraceCheckUtils]: 6: Hoare triple {1237#true} call #t~ret24 := main(); {1237#true} is VALID [2020-07-11 01:10:26,328 INFO L263 TraceCheckUtils]: 7: Hoare triple {1237#true} call #t~ret14 := _get_nondet_int(2, 5); {1237#true} is VALID [2020-07-11 01:10:26,329 INFO L280 TraceCheckUtils]: 8: Hoare triple {1237#true} ~from := #in~from; {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:26,330 INFO L280 TraceCheckUtils]: 9: Hoare triple {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-11 01:10:26,331 INFO L280 TraceCheckUtils]: 10: Hoare triple {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,349 INFO L280 TraceCheckUtils]: 11: Hoare triple {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,350 INFO L280 TraceCheckUtils]: 12: Hoare triple {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,351 INFO L280 TraceCheckUtils]: 13: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,351 INFO L280 TraceCheckUtils]: 14: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,352 INFO L280 TraceCheckUtils]: 15: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,353 INFO L280 TraceCheckUtils]: 16: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,354 INFO L280 TraceCheckUtils]: 17: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:26,358 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1237#true} #243#return; {1238#false} is VALID [2020-07-11 01:10:26,358 INFO L280 TraceCheckUtils]: 19: Hoare triple {1238#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {1238#false} is VALID [2020-07-11 01:10:26,358 INFO L280 TraceCheckUtils]: 20: Hoare triple {1238#false} ~len~2 := #t~ret14; {1238#false} is VALID [2020-07-11 01:10:26,358 INFO L280 TraceCheckUtils]: 21: Hoare triple {1238#false} havoc #t~ret14; {1238#false} is VALID [2020-07-11 01:10:26,359 INFO L280 TraceCheckUtils]: 22: Hoare triple {1238#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {1238#false} is VALID [2020-07-11 01:10:26,359 INFO L263 TraceCheckUtils]: 23: Hoare triple {1238#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {1287#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:26,359 INFO L280 TraceCheckUtils]: 24: Hoare triple {1287#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1237#true} is VALID [2020-07-11 01:10:26,359 INFO L280 TraceCheckUtils]: 25: Hoare triple {1237#true} ~head~0.base, ~head~0.offset := 0, 0; {1237#true} is VALID [2020-07-11 01:10:26,360 INFO L280 TraceCheckUtils]: 26: Hoare triple {1237#true} #t~post2 := ~len; {1237#true} is VALID [2020-07-11 01:10:26,360 INFO L280 TraceCheckUtils]: 27: Hoare triple {1237#true} ~len := #t~post2 - 1; {1237#true} is VALID [2020-07-11 01:10:26,360 INFO L280 TraceCheckUtils]: 28: Hoare triple {1237#true} assume !(#t~post2 > 0); {1237#true} is VALID [2020-07-11 01:10:26,360 INFO L280 TraceCheckUtils]: 29: Hoare triple {1237#true} havoc #t~post2; {1237#true} is VALID [2020-07-11 01:10:26,361 INFO L280 TraceCheckUtils]: 30: Hoare triple {1237#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1237#true} is VALID [2020-07-11 01:10:26,361 INFO L280 TraceCheckUtils]: 31: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,365 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1237#true} {1238#false} #245#return; {1238#false} is VALID [2020-07-11 01:10:26,365 INFO L280 TraceCheckUtils]: 33: Hoare triple {1238#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {1238#false} is VALID [2020-07-11 01:10:26,366 INFO L280 TraceCheckUtils]: 34: Hoare triple {1238#false} havoc #t~ret15.base, #t~ret15.offset; {1238#false} is VALID [2020-07-11 01:10:26,366 INFO L263 TraceCheckUtils]: 35: Hoare triple {1238#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {1237#true} is VALID [2020-07-11 01:10:26,366 INFO L280 TraceCheckUtils]: 36: Hoare triple {1237#true} ~from := #in~from; {1237#true} is VALID [2020-07-11 01:10:26,367 INFO L280 TraceCheckUtils]: 37: Hoare triple {1237#true} ~until := #in~until; {1237#true} is VALID [2020-07-11 01:10:26,367 INFO L280 TraceCheckUtils]: 38: Hoare triple {1237#true} ~len~1 := ~from; {1237#true} is VALID [2020-07-11 01:10:26,367 INFO L280 TraceCheckUtils]: 39: Hoare triple {1237#true} #t~short12 := ~len~1 < ~until; {1237#true} is VALID [2020-07-11 01:10:26,367 INFO L280 TraceCheckUtils]: 40: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-11 01:10:26,368 INFO L280 TraceCheckUtils]: 41: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-11 01:10:26,368 INFO L280 TraceCheckUtils]: 42: Hoare triple {1237#true} havoc #t~nondet11; {1237#true} is VALID [2020-07-11 01:10:26,368 INFO L280 TraceCheckUtils]: 43: Hoare triple {1237#true} havoc #t~short12; {1237#true} is VALID [2020-07-11 01:10:26,368 INFO L280 TraceCheckUtils]: 44: Hoare triple {1237#true} #res := ~len~1; {1237#true} is VALID [2020-07-11 01:10:26,369 INFO L280 TraceCheckUtils]: 45: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,369 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1237#true} {1238#false} #247#return; {1238#false} is VALID [2020-07-11 01:10:26,369 INFO L280 TraceCheckUtils]: 47: Hoare triple {1238#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {1238#false} is VALID [2020-07-11 01:10:26,371 INFO L280 TraceCheckUtils]: 48: Hoare triple {1238#false} ~k~0 := #t~ret16; {1238#false} is VALID [2020-07-11 01:10:26,372 INFO L280 TraceCheckUtils]: 49: Hoare triple {1238#false} havoc #t~ret16; {1238#false} is VALID [2020-07-11 01:10:26,372 INFO L280 TraceCheckUtils]: 50: Hoare triple {1238#false} ~i~0 := 0; {1238#false} is VALID [2020-07-11 01:10:26,372 INFO L280 TraceCheckUtils]: 51: Hoare triple {1238#false} #t~short18 := ~i~0 < ~k~0; {1238#false} is VALID [2020-07-11 01:10:26,372 INFO L280 TraceCheckUtils]: 52: Hoare triple {1238#false} assume !#t~short18; {1238#false} is VALID [2020-07-11 01:10:26,373 INFO L280 TraceCheckUtils]: 53: Hoare triple {1238#false} assume !#t~short18; {1238#false} is VALID [2020-07-11 01:10:26,373 INFO L280 TraceCheckUtils]: 54: Hoare triple {1238#false} havoc #t~nondet17; {1238#false} is VALID [2020-07-11 01:10:26,374 INFO L280 TraceCheckUtils]: 55: Hoare triple {1238#false} havoc #t~short18; {1238#false} is VALID [2020-07-11 01:10:26,374 INFO L280 TraceCheckUtils]: 56: Hoare triple {1238#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {1238#false} is VALID [2020-07-11 01:10:26,374 INFO L263 TraceCheckUtils]: 57: Hoare triple {1238#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {1237#true} is VALID [2020-07-11 01:10:26,375 INFO L280 TraceCheckUtils]: 58: Hoare triple {1237#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1237#true} is VALID [2020-07-11 01:10:26,375 INFO L280 TraceCheckUtils]: 59: Hoare triple {1237#true} ~len~0 := 0; {1237#true} is VALID [2020-07-11 01:10:26,375 INFO L280 TraceCheckUtils]: 60: Hoare triple {1237#true} assume !(~head.base != 0 || ~head.offset != 0); {1237#true} is VALID [2020-07-11 01:10:26,376 INFO L280 TraceCheckUtils]: 61: Hoare triple {1237#true} #res := ~len~0; {1237#true} is VALID [2020-07-11 01:10:26,376 INFO L280 TraceCheckUtils]: 62: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-11 01:10:26,376 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {1237#true} {1238#false} #253#return; {1238#false} is VALID [2020-07-11 01:10:26,376 INFO L280 TraceCheckUtils]: 64: Hoare triple {1238#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {1238#false} is VALID [2020-07-11 01:10:26,376 INFO L280 TraceCheckUtils]: 65: Hoare triple {1238#false} assume ~k~0 + ~len~2 != #t~ret22; {1238#false} is VALID [2020-07-11 01:10:26,377 INFO L280 TraceCheckUtils]: 66: Hoare triple {1238#false} havoc #t~mem21.base, #t~mem21.offset; {1238#false} is VALID [2020-07-11 01:10:26,377 INFO L280 TraceCheckUtils]: 67: Hoare triple {1238#false} havoc #t~ret22; {1238#false} is VALID [2020-07-11 01:10:26,377 INFO L280 TraceCheckUtils]: 68: Hoare triple {1238#false} assume !false; {1238#false} is VALID [2020-07-11 01:10:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 01:10:26,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791352912] [2020-07-11 01:10:26,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:10:26,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-11 01:10:26,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175393575] [2020-07-11 01:10:26,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-07-11 01:10:26,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:26,391 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-11 01:10:26,457 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:26,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-11 01:10:26,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:26,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-11 01:10:26,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-11 01:10:26,459 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 9 states. [2020-07-11 01:10:28,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:28,955 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2020-07-11 01:10:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-11 01:10:28,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-07-11 01:10:28,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-11 01:10:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 301 transitions. [2020-07-11 01:10:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-11 01:10:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 301 transitions. [2020-07-11 01:10:28,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 301 transitions. [2020-07-11 01:10:29,383 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 301 edges. 301 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:29,397 INFO L225 Difference]: With dead ends: 275 [2020-07-11 01:10:29,397 INFO L226 Difference]: Without dead ends: 169 [2020-07-11 01:10:29,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-07-11 01:10:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-11 01:10:29,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 134. [2020-07-11 01:10:29,712 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:29,727 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 134 states. [2020-07-11 01:10:29,728 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 134 states. [2020-07-11 01:10:29,728 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 134 states. [2020-07-11 01:10:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:29,736 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2020-07-11 01:10:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2020-07-11 01:10:29,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:29,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:29,738 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand 169 states. [2020-07-11 01:10:29,738 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 169 states. [2020-07-11 01:10:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:29,746 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2020-07-11 01:10:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2020-07-11 01:10:29,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:29,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:29,748 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:29,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-11 01:10:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2020-07-11 01:10:29,754 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 69 [2020-07-11 01:10:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:29,754 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2020-07-11 01:10:29,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-11 01:10:29,754 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 134 states and 145 transitions. [2020-07-11 01:10:29,987 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2020-07-11 01:10:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-11 01:10:29,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:29,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:10:29,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 01:10:29,992 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:29,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:29,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1735568478, now seen corresponding path program 1 times [2020-07-11 01:10:29,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:29,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951875349] [2020-07-11 01:10:29,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:30,093 INFO L280 TraceCheckUtils]: 0: Hoare triple {2520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2472#true} is VALID [2020-07-11 01:10:30,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} #valid := #valid[0 := 0]; {2472#true} is VALID [2020-07-11 01:10:30,094 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} assume 0 < #StackHeapBarrier; {2472#true} is VALID [2020-07-11 01:10:30,094 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-11 01:10:30,095 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2472#true} {2472#true} #259#return; {2472#true} is VALID [2020-07-11 01:10:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:30,198 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~from := #in~from; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:30,199 INFO L280 TraceCheckUtils]: 1: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:30,216 INFO L280 TraceCheckUtils]: 2: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,216 INFO L280 TraceCheckUtils]: 3: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,217 INFO L280 TraceCheckUtils]: 4: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,218 INFO L280 TraceCheckUtils]: 5: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,219 INFO L280 TraceCheckUtils]: 6: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,219 INFO L280 TraceCheckUtils]: 7: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,220 INFO L280 TraceCheckUtils]: 8: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,220 INFO L280 TraceCheckUtils]: 9: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:30,222 INFO L280 TraceCheckUtils]: 11: Hoare triple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:30,223 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {2472#true} #243#return; {2492#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:10:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:30,303 INFO L280 TraceCheckUtils]: 0: Hoare triple {2524#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:30,304 INFO L280 TraceCheckUtils]: 1: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:30,304 INFO L280 TraceCheckUtils]: 2: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:30,305 INFO L280 TraceCheckUtils]: 3: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:30,306 INFO L280 TraceCheckUtils]: 4: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,306 INFO L280 TraceCheckUtils]: 5: Hoare triple {2527#(<= |sll_create_#in~len| 0)} havoc #t~post2; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,307 INFO L280 TraceCheckUtils]: 6: Hoare triple {2527#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,311 INFO L280 TraceCheckUtils]: 7: Hoare triple {2527#(<= |sll_create_#in~len| 0)} assume true; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,312 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2527#(<= |sll_create_#in~len| 0)} {2493#(<= 2 main_~len~2)} #245#return; {2473#false} is VALID [2020-07-11 01:10:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:30,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~from := #in~from; {2472#true} is VALID [2020-07-11 01:10:30,323 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} ~until := #in~until; {2472#true} is VALID [2020-07-11 01:10:30,323 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} ~len~1 := ~from; {2472#true} is VALID [2020-07-11 01:10:30,324 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} #t~short12 := ~len~1 < ~until; {2472#true} is VALID [2020-07-11 01:10:30,324 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-11 01:10:30,324 INFO L280 TraceCheckUtils]: 5: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-11 01:10:30,324 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} havoc #t~nondet11; {2472#true} is VALID [2020-07-11 01:10:30,324 INFO L280 TraceCheckUtils]: 7: Hoare triple {2472#true} havoc #t~short12; {2472#true} is VALID [2020-07-11 01:10:30,324 INFO L280 TraceCheckUtils]: 8: Hoare triple {2472#true} #res := ~len~1; {2472#true} is VALID [2020-07-11 01:10:30,325 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-11 01:10:30,325 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {2472#true} {2473#false} #247#return; {2473#false} is VALID [2020-07-11 01:10:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:30,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {2472#true} is VALID [2020-07-11 01:10:30,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} ~len~0 := 0; {2472#true} is VALID [2020-07-11 01:10:30,341 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} assume !(~head.base != 0 || ~head.offset != 0); {2472#true} is VALID [2020-07-11 01:10:30,342 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} #res := ~len~0; {2472#true} is VALID [2020-07-11 01:10:30,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-11 01:10:30,342 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2472#true} {2473#false} #253#return; {2473#false} is VALID [2020-07-11 01:10:30,351 INFO L263 TraceCheckUtils]: 0: Hoare triple {2472#true} call ULTIMATE.init(); {2520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:30,351 INFO L280 TraceCheckUtils]: 1: Hoare triple {2520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2472#true} is VALID [2020-07-11 01:10:30,351 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} #valid := #valid[0 := 0]; {2472#true} is VALID [2020-07-11 01:10:30,351 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} assume 0 < #StackHeapBarrier; {2472#true} is VALID [2020-07-11 01:10:30,352 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-11 01:10:30,352 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2472#true} {2472#true} #259#return; {2472#true} is VALID [2020-07-11 01:10:30,352 INFO L263 TraceCheckUtils]: 6: Hoare triple {2472#true} call #t~ret24 := main(); {2472#true} is VALID [2020-07-11 01:10:30,352 INFO L263 TraceCheckUtils]: 7: Hoare triple {2472#true} call #t~ret14 := _get_nondet_int(2, 5); {2472#true} is VALID [2020-07-11 01:10:30,353 INFO L280 TraceCheckUtils]: 8: Hoare triple {2472#true} ~from := #in~from; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:30,354 INFO L280 TraceCheckUtils]: 9: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:30,355 INFO L280 TraceCheckUtils]: 10: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,355 INFO L280 TraceCheckUtils]: 11: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,356 INFO L280 TraceCheckUtils]: 12: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,357 INFO L280 TraceCheckUtils]: 13: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,361 INFO L280 TraceCheckUtils]: 14: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,365 INFO L280 TraceCheckUtils]: 15: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,367 INFO L280 TraceCheckUtils]: 16: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,368 INFO L280 TraceCheckUtils]: 17: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:30,369 INFO L280 TraceCheckUtils]: 18: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:30,369 INFO L280 TraceCheckUtils]: 19: Hoare triple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:30,371 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {2472#true} #243#return; {2492#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:10:30,371 INFO L280 TraceCheckUtils]: 21: Hoare triple {2492#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {2492#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:10:30,372 INFO L280 TraceCheckUtils]: 22: Hoare triple {2492#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {2493#(<= 2 main_~len~2)} is VALID [2020-07-11 01:10:30,373 INFO L280 TraceCheckUtils]: 23: Hoare triple {2493#(<= 2 main_~len~2)} havoc #t~ret14; {2493#(<= 2 main_~len~2)} is VALID [2020-07-11 01:10:30,373 INFO L280 TraceCheckUtils]: 24: Hoare triple {2493#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {2493#(<= 2 main_~len~2)} is VALID [2020-07-11 01:10:30,374 INFO L263 TraceCheckUtils]: 25: Hoare triple {2493#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {2524#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:30,375 INFO L280 TraceCheckUtils]: 26: Hoare triple {2524#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:30,376 INFO L280 TraceCheckUtils]: 27: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:30,376 INFO L280 TraceCheckUtils]: 28: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:30,377 INFO L280 TraceCheckUtils]: 29: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:30,378 INFO L280 TraceCheckUtils]: 30: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,378 INFO L280 TraceCheckUtils]: 31: Hoare triple {2527#(<= |sll_create_#in~len| 0)} havoc #t~post2; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,379 INFO L280 TraceCheckUtils]: 32: Hoare triple {2527#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,379 INFO L280 TraceCheckUtils]: 33: Hoare triple {2527#(<= |sll_create_#in~len| 0)} assume true; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:30,384 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2527#(<= |sll_create_#in~len| 0)} {2493#(<= 2 main_~len~2)} #245#return; {2473#false} is VALID [2020-07-11 01:10:30,384 INFO L280 TraceCheckUtils]: 35: Hoare triple {2473#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {2473#false} is VALID [2020-07-11 01:10:30,384 INFO L280 TraceCheckUtils]: 36: Hoare triple {2473#false} havoc #t~ret15.base, #t~ret15.offset; {2473#false} is VALID [2020-07-11 01:10:30,384 INFO L263 TraceCheckUtils]: 37: Hoare triple {2473#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {2472#true} is VALID [2020-07-11 01:10:30,385 INFO L280 TraceCheckUtils]: 38: Hoare triple {2472#true} ~from := #in~from; {2472#true} is VALID [2020-07-11 01:10:30,385 INFO L280 TraceCheckUtils]: 39: Hoare triple {2472#true} ~until := #in~until; {2472#true} is VALID [2020-07-11 01:10:30,385 INFO L280 TraceCheckUtils]: 40: Hoare triple {2472#true} ~len~1 := ~from; {2472#true} is VALID [2020-07-11 01:10:30,385 INFO L280 TraceCheckUtils]: 41: Hoare triple {2472#true} #t~short12 := ~len~1 < ~until; {2472#true} is VALID [2020-07-11 01:10:30,385 INFO L280 TraceCheckUtils]: 42: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-11 01:10:30,386 INFO L280 TraceCheckUtils]: 43: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-11 01:10:30,386 INFO L280 TraceCheckUtils]: 44: Hoare triple {2472#true} havoc #t~nondet11; {2472#true} is VALID [2020-07-11 01:10:30,386 INFO L280 TraceCheckUtils]: 45: Hoare triple {2472#true} havoc #t~short12; {2472#true} is VALID [2020-07-11 01:10:30,386 INFO L280 TraceCheckUtils]: 46: Hoare triple {2472#true} #res := ~len~1; {2472#true} is VALID [2020-07-11 01:10:30,387 INFO L280 TraceCheckUtils]: 47: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-11 01:10:30,387 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2472#true} {2473#false} #247#return; {2473#false} is VALID [2020-07-11 01:10:30,387 INFO L280 TraceCheckUtils]: 49: Hoare triple {2473#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {2473#false} is VALID [2020-07-11 01:10:30,387 INFO L280 TraceCheckUtils]: 50: Hoare triple {2473#false} ~k~0 := #t~ret16; {2473#false} is VALID [2020-07-11 01:10:30,387 INFO L280 TraceCheckUtils]: 51: Hoare triple {2473#false} havoc #t~ret16; {2473#false} is VALID [2020-07-11 01:10:30,387 INFO L280 TraceCheckUtils]: 52: Hoare triple {2473#false} ~i~0 := 0; {2473#false} is VALID [2020-07-11 01:10:30,388 INFO L280 TraceCheckUtils]: 53: Hoare triple {2473#false} #t~short18 := ~i~0 < ~k~0; {2473#false} is VALID [2020-07-11 01:10:30,388 INFO L280 TraceCheckUtils]: 54: Hoare triple {2473#false} assume !#t~short18; {2473#false} is VALID [2020-07-11 01:10:30,389 INFO L280 TraceCheckUtils]: 55: Hoare triple {2473#false} assume !#t~short18; {2473#false} is VALID [2020-07-11 01:10:30,389 INFO L280 TraceCheckUtils]: 56: Hoare triple {2473#false} havoc #t~nondet17; {2473#false} is VALID [2020-07-11 01:10:30,389 INFO L280 TraceCheckUtils]: 57: Hoare triple {2473#false} havoc #t~short18; {2473#false} is VALID [2020-07-11 01:10:30,389 INFO L280 TraceCheckUtils]: 58: Hoare triple {2473#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {2473#false} is VALID [2020-07-11 01:10:30,390 INFO L263 TraceCheckUtils]: 59: Hoare triple {2473#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {2472#true} is VALID [2020-07-11 01:10:30,390 INFO L280 TraceCheckUtils]: 60: Hoare triple {2472#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {2472#true} is VALID [2020-07-11 01:10:30,390 INFO L280 TraceCheckUtils]: 61: Hoare triple {2472#true} ~len~0 := 0; {2472#true} is VALID [2020-07-11 01:10:30,390 INFO L280 TraceCheckUtils]: 62: Hoare triple {2472#true} assume !(~head.base != 0 || ~head.offset != 0); {2472#true} is VALID [2020-07-11 01:10:30,390 INFO L280 TraceCheckUtils]: 63: Hoare triple {2472#true} #res := ~len~0; {2472#true} is VALID [2020-07-11 01:10:30,391 INFO L280 TraceCheckUtils]: 64: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-11 01:10:30,391 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2472#true} {2473#false} #253#return; {2473#false} is VALID [2020-07-11 01:10:30,391 INFO L280 TraceCheckUtils]: 66: Hoare triple {2473#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {2473#false} is VALID [2020-07-11 01:10:30,393 INFO L280 TraceCheckUtils]: 67: Hoare triple {2473#false} assume ~k~0 + ~len~2 != #t~ret22; {2473#false} is VALID [2020-07-11 01:10:30,393 INFO L280 TraceCheckUtils]: 68: Hoare triple {2473#false} havoc #t~mem21.base, #t~mem21.offset; {2473#false} is VALID [2020-07-11 01:10:30,393 INFO L280 TraceCheckUtils]: 69: Hoare triple {2473#false} havoc #t~ret22; {2473#false} is VALID [2020-07-11 01:10:30,393 INFO L280 TraceCheckUtils]: 70: Hoare triple {2473#false} assume !false; {2473#false} is VALID [2020-07-11 01:10:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 01:10:30,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951875349] [2020-07-11 01:10:30,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:10:30,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-11 01:10:30,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029482507] [2020-07-11 01:10:30,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-07-11 01:10:30,404 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:30,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-11 01:10:30,475 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:30,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-11 01:10:30,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:30,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-11 01:10:30,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-07-11 01:10:30,476 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 12 states. [2020-07-11 01:10:34,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:34,334 INFO L93 Difference]: Finished difference Result 313 states and 348 transitions. [2020-07-11 01:10:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-11 01:10:34,334 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-07-11 01:10:34,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 01:10:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 322 transitions. [2020-07-11 01:10:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-11 01:10:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 322 transitions. [2020-07-11 01:10:34,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 322 transitions. [2020-07-11 01:10:34,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 322 edges. 322 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:34,795 INFO L225 Difference]: With dead ends: 313 [2020-07-11 01:10:34,795 INFO L226 Difference]: Without dead ends: 206 [2020-07-11 01:10:34,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2020-07-11 01:10:34,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-11 01:10:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 154. [2020-07-11 01:10:35,169 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:35,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 206 states. Second operand 154 states. [2020-07-11 01:10:35,170 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 154 states. [2020-07-11 01:10:35,170 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 154 states. [2020-07-11 01:10:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:35,181 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-07-11 01:10:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2020-07-11 01:10:35,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:35,183 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:35,183 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 206 states. [2020-07-11 01:10:35,183 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 206 states. [2020-07-11 01:10:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:35,195 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-07-11 01:10:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2020-07-11 01:10:35,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:35,196 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:35,197 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:35,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-11 01:10:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 167 transitions. [2020-07-11 01:10:35,204 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 167 transitions. Word has length 71 [2020-07-11 01:10:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:35,206 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 167 transitions. [2020-07-11 01:10:35,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-11 01:10:35,206 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 167 transitions. [2020-07-11 01:10:35,523 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 167 transitions. [2020-07-11 01:10:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-11 01:10:35,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:35,525 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:10:35,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 01:10:35,525 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:35,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash -472966004, now seen corresponding path program 1 times [2020-07-11 01:10:35,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:35,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775654811] [2020-07-11 01:10:35,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:35,589 INFO L280 TraceCheckUtils]: 0: Hoare triple {3963#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3909#true} is VALID [2020-07-11 01:10:35,589 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} #valid := #valid[0 := 0]; {3909#true} is VALID [2020-07-11 01:10:35,590 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} assume 0 < #StackHeapBarrier; {3909#true} is VALID [2020-07-11 01:10:35,590 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:35,590 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3909#true} {3909#true} #259#return; {3909#true} is VALID [2020-07-11 01:10:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:35,902 INFO L280 TraceCheckUtils]: 0: Hoare triple {3909#true} ~from := #in~from; {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:35,948 INFO L280 TraceCheckUtils]: 1: Hoare triple {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-11 01:10:35,949 INFO L280 TraceCheckUtils]: 2: Hoare triple {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,950 INFO L280 TraceCheckUtils]: 3: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,950 INFO L280 TraceCheckUtils]: 4: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,951 INFO L280 TraceCheckUtils]: 5: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,952 INFO L280 TraceCheckUtils]: 6: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,952 INFO L280 TraceCheckUtils]: 7: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume !!#t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,953 INFO L280 TraceCheckUtils]: 8: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,954 INFO L280 TraceCheckUtils]: 9: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,955 INFO L280 TraceCheckUtils]: 10: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~post13 := ~len~1; {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,956 INFO L280 TraceCheckUtils]: 11: Hoare triple {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,957 INFO L280 TraceCheckUtils]: 12: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,958 INFO L280 TraceCheckUtils]: 13: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,959 INFO L280 TraceCheckUtils]: 14: Hoare triple {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,961 INFO L280 TraceCheckUtils]: 15: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,962 INFO L280 TraceCheckUtils]: 16: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,964 INFO L280 TraceCheckUtils]: 17: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,969 INFO L280 TraceCheckUtils]: 18: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,969 INFO L280 TraceCheckUtils]: 19: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:35,970 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {3909#true} #243#return; {3910#false} is VALID [2020-07-11 01:10:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:36,009 INFO L280 TraceCheckUtils]: 0: Hoare triple {3971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3909#true} is VALID [2020-07-11 01:10:36,010 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} ~head~0.base, ~head~0.offset := 0, 0; {3909#true} is VALID [2020-07-11 01:10:36,010 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} #t~post2 := ~len; {3909#true} is VALID [2020-07-11 01:10:36,010 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} ~len := #t~post2 - 1; {3909#true} is VALID [2020-07-11 01:10:36,010 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume !(#t~post2 > 0); {3909#true} is VALID [2020-07-11 01:10:36,011 INFO L280 TraceCheckUtils]: 5: Hoare triple {3909#true} havoc #t~post2; {3909#true} is VALID [2020-07-11 01:10:36,011 INFO L280 TraceCheckUtils]: 6: Hoare triple {3909#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3909#true} is VALID [2020-07-11 01:10:36,011 INFO L280 TraceCheckUtils]: 7: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,011 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3909#true} {3910#false} #245#return; {3910#false} is VALID [2020-07-11 01:10:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:36,020 INFO L280 TraceCheckUtils]: 0: Hoare triple {3909#true} ~from := #in~from; {3909#true} is VALID [2020-07-11 01:10:36,020 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} ~until := #in~until; {3909#true} is VALID [2020-07-11 01:10:36,020 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} ~len~1 := ~from; {3909#true} is VALID [2020-07-11 01:10:36,021 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} #t~short12 := ~len~1 < ~until; {3909#true} is VALID [2020-07-11 01:10:36,021 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-11 01:10:36,021 INFO L280 TraceCheckUtils]: 5: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-11 01:10:36,021 INFO L280 TraceCheckUtils]: 6: Hoare triple {3909#true} havoc #t~nondet11; {3909#true} is VALID [2020-07-11 01:10:36,021 INFO L280 TraceCheckUtils]: 7: Hoare triple {3909#true} havoc #t~short12; {3909#true} is VALID [2020-07-11 01:10:36,022 INFO L280 TraceCheckUtils]: 8: Hoare triple {3909#true} #res := ~len~1; {3909#true} is VALID [2020-07-11 01:10:36,022 INFO L280 TraceCheckUtils]: 9: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,022 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {3909#true} {3910#false} #247#return; {3910#false} is VALID [2020-07-11 01:10:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:36,046 INFO L280 TraceCheckUtils]: 0: Hoare triple {3909#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {3909#true} is VALID [2020-07-11 01:10:36,047 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} ~len~0 := 0; {3909#true} is VALID [2020-07-11 01:10:36,047 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} assume !(~head.base != 0 || ~head.offset != 0); {3909#true} is VALID [2020-07-11 01:10:36,047 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} #res := ~len~0; {3909#true} is VALID [2020-07-11 01:10:36,047 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,047 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3909#true} {3910#false} #253#return; {3910#false} is VALID [2020-07-11 01:10:36,048 INFO L263 TraceCheckUtils]: 0: Hoare triple {3909#true} call ULTIMATE.init(); {3963#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:36,049 INFO L280 TraceCheckUtils]: 1: Hoare triple {3963#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3909#true} is VALID [2020-07-11 01:10:36,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} #valid := #valid[0 := 0]; {3909#true} is VALID [2020-07-11 01:10:36,049 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} assume 0 < #StackHeapBarrier; {3909#true} is VALID [2020-07-11 01:10:36,049 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,049 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3909#true} {3909#true} #259#return; {3909#true} is VALID [2020-07-11 01:10:36,049 INFO L263 TraceCheckUtils]: 6: Hoare triple {3909#true} call #t~ret24 := main(); {3909#true} is VALID [2020-07-11 01:10:36,049 INFO L263 TraceCheckUtils]: 7: Hoare triple {3909#true} call #t~ret14 := _get_nondet_int(2, 5); {3909#true} is VALID [2020-07-11 01:10:36,050 INFO L280 TraceCheckUtils]: 8: Hoare triple {3909#true} ~from := #in~from; {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:36,050 INFO L280 TraceCheckUtils]: 9: Hoare triple {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-11 01:10:36,051 INFO L280 TraceCheckUtils]: 10: Hoare triple {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,052 INFO L280 TraceCheckUtils]: 11: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,052 INFO L280 TraceCheckUtils]: 12: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,053 INFO L280 TraceCheckUtils]: 13: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,053 INFO L280 TraceCheckUtils]: 14: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,054 INFO L280 TraceCheckUtils]: 15: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume !!#t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,055 INFO L280 TraceCheckUtils]: 16: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,055 INFO L280 TraceCheckUtils]: 17: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,056 INFO L280 TraceCheckUtils]: 18: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~post13 := ~len~1; {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,057 INFO L280 TraceCheckUtils]: 19: Hoare triple {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,057 INFO L280 TraceCheckUtils]: 20: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,060 INFO L280 TraceCheckUtils]: 21: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,061 INFO L280 TraceCheckUtils]: 22: Hoare triple {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,061 INFO L280 TraceCheckUtils]: 23: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,062 INFO L280 TraceCheckUtils]: 24: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,062 INFO L280 TraceCheckUtils]: 25: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,062 INFO L280 TraceCheckUtils]: 26: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,063 INFO L280 TraceCheckUtils]: 27: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:36,063 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {3909#true} #243#return; {3910#false} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 29: Hoare triple {3910#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {3910#false} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 30: Hoare triple {3910#false} ~len~2 := #t~ret14; {3910#false} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 31: Hoare triple {3910#false} havoc #t~ret14; {3910#false} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 32: Hoare triple {3910#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {3910#false} is VALID [2020-07-11 01:10:36,064 INFO L263 TraceCheckUtils]: 33: Hoare triple {3910#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {3971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 34: Hoare triple {3971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3909#true} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 35: Hoare triple {3909#true} ~head~0.base, ~head~0.offset := 0, 0; {3909#true} is VALID [2020-07-11 01:10:36,064 INFO L280 TraceCheckUtils]: 36: Hoare triple {3909#true} #t~post2 := ~len; {3909#true} is VALID [2020-07-11 01:10:36,065 INFO L280 TraceCheckUtils]: 37: Hoare triple {3909#true} ~len := #t~post2 - 1; {3909#true} is VALID [2020-07-11 01:10:36,065 INFO L280 TraceCheckUtils]: 38: Hoare triple {3909#true} assume !(#t~post2 > 0); {3909#true} is VALID [2020-07-11 01:10:36,065 INFO L280 TraceCheckUtils]: 39: Hoare triple {3909#true} havoc #t~post2; {3909#true} is VALID [2020-07-11 01:10:36,065 INFO L280 TraceCheckUtils]: 40: Hoare triple {3909#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3909#true} is VALID [2020-07-11 01:10:36,065 INFO L280 TraceCheckUtils]: 41: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,065 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3909#true} {3910#false} #245#return; {3910#false} is VALID [2020-07-11 01:10:36,065 INFO L280 TraceCheckUtils]: 43: Hoare triple {3910#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {3910#false} is VALID [2020-07-11 01:10:36,066 INFO L280 TraceCheckUtils]: 44: Hoare triple {3910#false} havoc #t~ret15.base, #t~ret15.offset; {3910#false} is VALID [2020-07-11 01:10:36,066 INFO L263 TraceCheckUtils]: 45: Hoare triple {3910#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {3909#true} is VALID [2020-07-11 01:10:36,066 INFO L280 TraceCheckUtils]: 46: Hoare triple {3909#true} ~from := #in~from; {3909#true} is VALID [2020-07-11 01:10:36,066 INFO L280 TraceCheckUtils]: 47: Hoare triple {3909#true} ~until := #in~until; {3909#true} is VALID [2020-07-11 01:10:36,066 INFO L280 TraceCheckUtils]: 48: Hoare triple {3909#true} ~len~1 := ~from; {3909#true} is VALID [2020-07-11 01:10:36,067 INFO L280 TraceCheckUtils]: 49: Hoare triple {3909#true} #t~short12 := ~len~1 < ~until; {3909#true} is VALID [2020-07-11 01:10:36,067 INFO L280 TraceCheckUtils]: 50: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-11 01:10:36,067 INFO L280 TraceCheckUtils]: 51: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-11 01:10:36,067 INFO L280 TraceCheckUtils]: 52: Hoare triple {3909#true} havoc #t~nondet11; {3909#true} is VALID [2020-07-11 01:10:36,067 INFO L280 TraceCheckUtils]: 53: Hoare triple {3909#true} havoc #t~short12; {3909#true} is VALID [2020-07-11 01:10:36,068 INFO L280 TraceCheckUtils]: 54: Hoare triple {3909#true} #res := ~len~1; {3909#true} is VALID [2020-07-11 01:10:36,068 INFO L280 TraceCheckUtils]: 55: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,068 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3909#true} {3910#false} #247#return; {3910#false} is VALID [2020-07-11 01:10:36,068 INFO L280 TraceCheckUtils]: 57: Hoare triple {3910#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {3910#false} is VALID [2020-07-11 01:10:36,068 INFO L280 TraceCheckUtils]: 58: Hoare triple {3910#false} ~k~0 := #t~ret16; {3910#false} is VALID [2020-07-11 01:10:36,069 INFO L280 TraceCheckUtils]: 59: Hoare triple {3910#false} havoc #t~ret16; {3910#false} is VALID [2020-07-11 01:10:36,069 INFO L280 TraceCheckUtils]: 60: Hoare triple {3910#false} ~i~0 := 0; {3910#false} is VALID [2020-07-11 01:10:36,069 INFO L280 TraceCheckUtils]: 61: Hoare triple {3910#false} #t~short18 := ~i~0 < ~k~0; {3910#false} is VALID [2020-07-11 01:10:36,069 INFO L280 TraceCheckUtils]: 62: Hoare triple {3910#false} assume !#t~short18; {3910#false} is VALID [2020-07-11 01:10:36,069 INFO L280 TraceCheckUtils]: 63: Hoare triple {3910#false} assume !#t~short18; {3910#false} is VALID [2020-07-11 01:10:36,070 INFO L280 TraceCheckUtils]: 64: Hoare triple {3910#false} havoc #t~nondet17; {3910#false} is VALID [2020-07-11 01:10:36,070 INFO L280 TraceCheckUtils]: 65: Hoare triple {3910#false} havoc #t~short18; {3910#false} is VALID [2020-07-11 01:10:36,070 INFO L280 TraceCheckUtils]: 66: Hoare triple {3910#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {3910#false} is VALID [2020-07-11 01:10:36,070 INFO L263 TraceCheckUtils]: 67: Hoare triple {3910#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {3909#true} is VALID [2020-07-11 01:10:36,070 INFO L280 TraceCheckUtils]: 68: Hoare triple {3909#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {3909#true} is VALID [2020-07-11 01:10:36,070 INFO L280 TraceCheckUtils]: 69: Hoare triple {3909#true} ~len~0 := 0; {3909#true} is VALID [2020-07-11 01:10:36,071 INFO L280 TraceCheckUtils]: 70: Hoare triple {3909#true} assume !(~head.base != 0 || ~head.offset != 0); {3909#true} is VALID [2020-07-11 01:10:36,071 INFO L280 TraceCheckUtils]: 71: Hoare triple {3909#true} #res := ~len~0; {3909#true} is VALID [2020-07-11 01:10:36,071 INFO L280 TraceCheckUtils]: 72: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-11 01:10:36,071 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3909#true} {3910#false} #253#return; {3910#false} is VALID [2020-07-11 01:10:36,071 INFO L280 TraceCheckUtils]: 74: Hoare triple {3910#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {3910#false} is VALID [2020-07-11 01:10:36,072 INFO L280 TraceCheckUtils]: 75: Hoare triple {3910#false} assume ~k~0 + ~len~2 != #t~ret22; {3910#false} is VALID [2020-07-11 01:10:36,072 INFO L280 TraceCheckUtils]: 76: Hoare triple {3910#false} havoc #t~mem21.base, #t~mem21.offset; {3910#false} is VALID [2020-07-11 01:10:36,072 INFO L280 TraceCheckUtils]: 77: Hoare triple {3910#false} havoc #t~ret22; {3910#false} is VALID [2020-07-11 01:10:36,072 INFO L280 TraceCheckUtils]: 78: Hoare triple {3910#false} assume !false; {3910#false} is VALID [2020-07-11 01:10:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 01:10:36,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775654811] [2020-07-11 01:10:36,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:10:36,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-11 01:10:36,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455459666] [2020-07-11 01:10:36,082 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-11 01:10:36,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:36,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-11 01:10:36,173 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:36,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-11 01:10:36,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:36,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-11 01:10:36,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-11 01:10:36,174 INFO L87 Difference]: Start difference. First operand 154 states and 167 transitions. Second operand 11 states. [2020-07-11 01:10:38,955 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-07-11 01:10:40,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:40,433 INFO L93 Difference]: Finished difference Result 342 states and 375 transitions. [2020-07-11 01:10:40,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-11 01:10:40,434 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-11 01:10:40,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 01:10:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 335 transitions. [2020-07-11 01:10:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 01:10:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 335 transitions. [2020-07-11 01:10:40,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 335 transitions. [2020-07-11 01:10:40,924 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:40,930 INFO L225 Difference]: With dead ends: 342 [2020-07-11 01:10:40,930 INFO L226 Difference]: Without dead ends: 204 [2020-07-11 01:10:40,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2020-07-11 01:10:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-11 01:10:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 161. [2020-07-11 01:10:41,426 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:41,426 INFO L82 GeneralOperation]: Start isEquivalent. First operand 204 states. Second operand 161 states. [2020-07-11 01:10:41,426 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 161 states. [2020-07-11 01:10:41,426 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 161 states. [2020-07-11 01:10:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:41,438 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2020-07-11 01:10:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2020-07-11 01:10:41,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:41,439 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:41,440 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 204 states. [2020-07-11 01:10:41,440 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 204 states. [2020-07-11 01:10:41,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:41,450 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2020-07-11 01:10:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2020-07-11 01:10:41,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:41,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:41,452 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:41,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-11 01:10:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 174 transitions. [2020-07-11 01:10:41,462 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 174 transitions. Word has length 79 [2020-07-11 01:10:41,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:41,462 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 174 transitions. [2020-07-11 01:10:41,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-11 01:10:41,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 161 states and 174 transitions. [2020-07-11 01:10:41,753 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2020-07-11 01:10:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-11 01:10:41,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:41,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:10:41,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 01:10:41,755 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:41,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:41,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1820928426, now seen corresponding path program 1 times [2020-07-11 01:10:41,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:41,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113239170] [2020-07-11 01:10:41,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:41,846 INFO L280 TraceCheckUtils]: 0: Hoare triple {5487#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5430#true} is VALID [2020-07-11 01:10:41,846 INFO L280 TraceCheckUtils]: 1: Hoare triple {5430#true} #valid := #valid[0 := 0]; {5430#true} is VALID [2020-07-11 01:10:41,847 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} assume 0 < #StackHeapBarrier; {5430#true} is VALID [2020-07-11 01:10:41,847 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-11 01:10:41,847 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5430#true} {5430#true} #259#return; {5430#true} is VALID [2020-07-11 01:10:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:41,910 INFO L280 TraceCheckUtils]: 0: Hoare triple {5430#true} ~from := #in~from; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:41,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:41,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,912 INFO L280 TraceCheckUtils]: 3: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,912 INFO L280 TraceCheckUtils]: 4: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,913 INFO L280 TraceCheckUtils]: 5: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,913 INFO L280 TraceCheckUtils]: 6: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,913 INFO L280 TraceCheckUtils]: 7: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,914 INFO L280 TraceCheckUtils]: 8: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,914 INFO L280 TraceCheckUtils]: 9: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:41,915 INFO L280 TraceCheckUtils]: 10: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:41,915 INFO L280 TraceCheckUtils]: 11: Hoare triple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:41,917 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {5430#true} #243#return; {5450#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:10:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:42,052 INFO L280 TraceCheckUtils]: 0: Hoare triple {5491#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:42,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:42,054 INFO L280 TraceCheckUtils]: 2: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:42,055 INFO L280 TraceCheckUtils]: 3: Hoare triple {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,056 INFO L280 TraceCheckUtils]: 4: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,057 INFO L280 TraceCheckUtils]: 6: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,057 INFO L280 TraceCheckUtils]: 7: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,058 INFO L280 TraceCheckUtils]: 8: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,059 INFO L280 TraceCheckUtils]: 9: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,059 INFO L280 TraceCheckUtils]: 10: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,060 INFO L280 TraceCheckUtils]: 11: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:10:42,061 INFO L280 TraceCheckUtils]: 12: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:10:42,062 INFO L280 TraceCheckUtils]: 13: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,062 INFO L280 TraceCheckUtils]: 14: Hoare triple {5496#(<= |sll_create_#in~len| 1)} havoc #t~post2; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,063 INFO L280 TraceCheckUtils]: 15: Hoare triple {5496#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,064 INFO L280 TraceCheckUtils]: 16: Hoare triple {5496#(<= |sll_create_#in~len| 1)} assume true; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,065 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5496#(<= |sll_create_#in~len| 1)} {5451#(<= 2 main_~len~2)} #245#return; {5431#false} is VALID [2020-07-11 01:10:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:42,075 INFO L280 TraceCheckUtils]: 0: Hoare triple {5430#true} ~from := #in~from; {5430#true} is VALID [2020-07-11 01:10:42,075 INFO L280 TraceCheckUtils]: 1: Hoare triple {5430#true} ~until := #in~until; {5430#true} is VALID [2020-07-11 01:10:42,076 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} ~len~1 := ~from; {5430#true} is VALID [2020-07-11 01:10:42,076 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} #t~short12 := ~len~1 < ~until; {5430#true} is VALID [2020-07-11 01:10:42,076 INFO L280 TraceCheckUtils]: 4: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-11 01:10:42,076 INFO L280 TraceCheckUtils]: 5: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-11 01:10:42,077 INFO L280 TraceCheckUtils]: 6: Hoare triple {5430#true} havoc #t~nondet11; {5430#true} is VALID [2020-07-11 01:10:42,077 INFO L280 TraceCheckUtils]: 7: Hoare triple {5430#true} havoc #t~short12; {5430#true} is VALID [2020-07-11 01:10:42,077 INFO L280 TraceCheckUtils]: 8: Hoare triple {5430#true} #res := ~len~1; {5430#true} is VALID [2020-07-11 01:10:42,077 INFO L280 TraceCheckUtils]: 9: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-11 01:10:42,078 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {5430#true} {5431#false} #247#return; {5431#false} is VALID [2020-07-11 01:10:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:42,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {5430#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {5430#true} is VALID [2020-07-11 01:10:42,085 INFO L280 TraceCheckUtils]: 1: Hoare triple {5430#true} ~len~0 := 0; {5430#true} is VALID [2020-07-11 01:10:42,085 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} assume !(~head.base != 0 || ~head.offset != 0); {5430#true} is VALID [2020-07-11 01:10:42,085 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} #res := ~len~0; {5430#true} is VALID [2020-07-11 01:10:42,085 INFO L280 TraceCheckUtils]: 4: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-11 01:10:42,086 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5430#true} {5431#false} #253#return; {5431#false} is VALID [2020-07-11 01:10:42,087 INFO L263 TraceCheckUtils]: 0: Hoare triple {5430#true} call ULTIMATE.init(); {5487#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:42,087 INFO L280 TraceCheckUtils]: 1: Hoare triple {5487#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5430#true} is VALID [2020-07-11 01:10:42,087 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} #valid := #valid[0 := 0]; {5430#true} is VALID [2020-07-11 01:10:42,087 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} assume 0 < #StackHeapBarrier; {5430#true} is VALID [2020-07-11 01:10:42,088 INFO L280 TraceCheckUtils]: 4: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-11 01:10:42,088 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5430#true} {5430#true} #259#return; {5430#true} is VALID [2020-07-11 01:10:42,088 INFO L263 TraceCheckUtils]: 6: Hoare triple {5430#true} call #t~ret24 := main(); {5430#true} is VALID [2020-07-11 01:10:42,088 INFO L263 TraceCheckUtils]: 7: Hoare triple {5430#true} call #t~ret14 := _get_nondet_int(2, 5); {5430#true} is VALID [2020-07-11 01:10:42,089 INFO L280 TraceCheckUtils]: 8: Hoare triple {5430#true} ~from := #in~from; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:42,089 INFO L280 TraceCheckUtils]: 9: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:42,090 INFO L280 TraceCheckUtils]: 10: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,091 INFO L280 TraceCheckUtils]: 11: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,091 INFO L280 TraceCheckUtils]: 12: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,092 INFO L280 TraceCheckUtils]: 13: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,092 INFO L280 TraceCheckUtils]: 14: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,093 INFO L280 TraceCheckUtils]: 15: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,093 INFO L280 TraceCheckUtils]: 16: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,111 INFO L280 TraceCheckUtils]: 17: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:42,112 INFO L280 TraceCheckUtils]: 18: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:42,112 INFO L280 TraceCheckUtils]: 19: Hoare triple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:42,113 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {5430#true} #243#return; {5450#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:10:42,114 INFO L280 TraceCheckUtils]: 21: Hoare triple {5450#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {5450#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:10:42,114 INFO L280 TraceCheckUtils]: 22: Hoare triple {5450#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {5451#(<= 2 main_~len~2)} is VALID [2020-07-11 01:10:42,115 INFO L280 TraceCheckUtils]: 23: Hoare triple {5451#(<= 2 main_~len~2)} havoc #t~ret14; {5451#(<= 2 main_~len~2)} is VALID [2020-07-11 01:10:42,116 INFO L280 TraceCheckUtils]: 24: Hoare triple {5451#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {5451#(<= 2 main_~len~2)} is VALID [2020-07-11 01:10:42,117 INFO L263 TraceCheckUtils]: 25: Hoare triple {5451#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {5491#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:42,117 INFO L280 TraceCheckUtils]: 26: Hoare triple {5491#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:42,118 INFO L280 TraceCheckUtils]: 27: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:42,118 INFO L280 TraceCheckUtils]: 28: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:42,119 INFO L280 TraceCheckUtils]: 29: Hoare triple {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,120 INFO L280 TraceCheckUtils]: 30: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,120 INFO L280 TraceCheckUtils]: 31: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,120 INFO L280 TraceCheckUtils]: 32: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,121 INFO L280 TraceCheckUtils]: 33: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,121 INFO L280 TraceCheckUtils]: 34: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,122 INFO L280 TraceCheckUtils]: 35: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,123 INFO L280 TraceCheckUtils]: 36: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:10:42,123 INFO L280 TraceCheckUtils]: 37: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:10:42,124 INFO L280 TraceCheckUtils]: 38: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:10:42,125 INFO L280 TraceCheckUtils]: 39: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,125 INFO L280 TraceCheckUtils]: 40: Hoare triple {5496#(<= |sll_create_#in~len| 1)} havoc #t~post2; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,126 INFO L280 TraceCheckUtils]: 41: Hoare triple {5496#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,126 INFO L280 TraceCheckUtils]: 42: Hoare triple {5496#(<= |sll_create_#in~len| 1)} assume true; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:10:42,127 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {5496#(<= |sll_create_#in~len| 1)} {5451#(<= 2 main_~len~2)} #245#return; {5431#false} is VALID [2020-07-11 01:10:42,128 INFO L280 TraceCheckUtils]: 44: Hoare triple {5431#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {5431#false} is VALID [2020-07-11 01:10:42,128 INFO L280 TraceCheckUtils]: 45: Hoare triple {5431#false} havoc #t~ret15.base, #t~ret15.offset; {5431#false} is VALID [2020-07-11 01:10:42,128 INFO L263 TraceCheckUtils]: 46: Hoare triple {5431#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {5430#true} is VALID [2020-07-11 01:10:42,128 INFO L280 TraceCheckUtils]: 47: Hoare triple {5430#true} ~from := #in~from; {5430#true} is VALID [2020-07-11 01:10:42,128 INFO L280 TraceCheckUtils]: 48: Hoare triple {5430#true} ~until := #in~until; {5430#true} is VALID [2020-07-11 01:10:42,129 INFO L280 TraceCheckUtils]: 49: Hoare triple {5430#true} ~len~1 := ~from; {5430#true} is VALID [2020-07-11 01:10:42,129 INFO L280 TraceCheckUtils]: 50: Hoare triple {5430#true} #t~short12 := ~len~1 < ~until; {5430#true} is VALID [2020-07-11 01:10:42,129 INFO L280 TraceCheckUtils]: 51: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-11 01:10:42,129 INFO L280 TraceCheckUtils]: 52: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-11 01:10:42,129 INFO L280 TraceCheckUtils]: 53: Hoare triple {5430#true} havoc #t~nondet11; {5430#true} is VALID [2020-07-11 01:10:42,129 INFO L280 TraceCheckUtils]: 54: Hoare triple {5430#true} havoc #t~short12; {5430#true} is VALID [2020-07-11 01:10:42,130 INFO L280 TraceCheckUtils]: 55: Hoare triple {5430#true} #res := ~len~1; {5430#true} is VALID [2020-07-11 01:10:42,130 INFO L280 TraceCheckUtils]: 56: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-11 01:10:42,130 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {5430#true} {5431#false} #247#return; {5431#false} is VALID [2020-07-11 01:10:42,130 INFO L280 TraceCheckUtils]: 58: Hoare triple {5431#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {5431#false} is VALID [2020-07-11 01:10:42,130 INFO L280 TraceCheckUtils]: 59: Hoare triple {5431#false} ~k~0 := #t~ret16; {5431#false} is VALID [2020-07-11 01:10:42,130 INFO L280 TraceCheckUtils]: 60: Hoare triple {5431#false} havoc #t~ret16; {5431#false} is VALID [2020-07-11 01:10:42,131 INFO L280 TraceCheckUtils]: 61: Hoare triple {5431#false} ~i~0 := 0; {5431#false} is VALID [2020-07-11 01:10:42,131 INFO L280 TraceCheckUtils]: 62: Hoare triple {5431#false} #t~short18 := ~i~0 < ~k~0; {5431#false} is VALID [2020-07-11 01:10:42,131 INFO L280 TraceCheckUtils]: 63: Hoare triple {5431#false} assume !#t~short18; {5431#false} is VALID [2020-07-11 01:10:42,131 INFO L280 TraceCheckUtils]: 64: Hoare triple {5431#false} assume !#t~short18; {5431#false} is VALID [2020-07-11 01:10:42,131 INFO L280 TraceCheckUtils]: 65: Hoare triple {5431#false} havoc #t~nondet17; {5431#false} is VALID [2020-07-11 01:10:42,131 INFO L280 TraceCheckUtils]: 66: Hoare triple {5431#false} havoc #t~short18; {5431#false} is VALID [2020-07-11 01:10:42,132 INFO L280 TraceCheckUtils]: 67: Hoare triple {5431#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {5431#false} is VALID [2020-07-11 01:10:42,132 INFO L263 TraceCheckUtils]: 68: Hoare triple {5431#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {5430#true} is VALID [2020-07-11 01:10:42,132 INFO L280 TraceCheckUtils]: 69: Hoare triple {5430#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {5430#true} is VALID [2020-07-11 01:10:42,132 INFO L280 TraceCheckUtils]: 70: Hoare triple {5430#true} ~len~0 := 0; {5430#true} is VALID [2020-07-11 01:10:42,132 INFO L280 TraceCheckUtils]: 71: Hoare triple {5430#true} assume !(~head.base != 0 || ~head.offset != 0); {5430#true} is VALID [2020-07-11 01:10:42,133 INFO L280 TraceCheckUtils]: 72: Hoare triple {5430#true} #res := ~len~0; {5430#true} is VALID [2020-07-11 01:10:42,133 INFO L280 TraceCheckUtils]: 73: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-11 01:10:42,133 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {5430#true} {5431#false} #253#return; {5431#false} is VALID [2020-07-11 01:10:42,133 INFO L280 TraceCheckUtils]: 75: Hoare triple {5431#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {5431#false} is VALID [2020-07-11 01:10:42,133 INFO L280 TraceCheckUtils]: 76: Hoare triple {5431#false} assume ~k~0 + ~len~2 != #t~ret22; {5431#false} is VALID [2020-07-11 01:10:42,133 INFO L280 TraceCheckUtils]: 77: Hoare triple {5431#false} havoc #t~mem21.base, #t~mem21.offset; {5431#false} is VALID [2020-07-11 01:10:42,134 INFO L280 TraceCheckUtils]: 78: Hoare triple {5431#false} havoc #t~ret22; {5431#false} is VALID [2020-07-11 01:10:42,134 INFO L280 TraceCheckUtils]: 79: Hoare triple {5431#false} assume !false; {5431#false} is VALID [2020-07-11 01:10:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 01:10:42,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113239170] [2020-07-11 01:10:42,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:10:42,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-11 01:10:42,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561673325] [2020-07-11 01:10:42,143 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2020-07-11 01:10:42,144 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:42,144 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-11 01:10:42,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:42,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-11 01:10:42,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:42,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-11 01:10:42,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-11 01:10:42,229 INFO L87 Difference]: Start difference. First operand 161 states and 174 transitions. Second operand 14 states. [2020-07-11 01:10:46,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:46,671 INFO L93 Difference]: Finished difference Result 307 states and 339 transitions. [2020-07-11 01:10:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-11 01:10:46,671 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2020-07-11 01:10:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-11 01:10:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 334 transitions. [2020-07-11 01:10:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-11 01:10:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 334 transitions. [2020-07-11 01:10:46,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 334 transitions. [2020-07-11 01:10:47,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 334 edges. 334 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:47,206 INFO L225 Difference]: With dead ends: 307 [2020-07-11 01:10:47,206 INFO L226 Difference]: Without dead ends: 221 [2020-07-11 01:10:47,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=770, Unknown=0, NotChecked=0, Total=930 [2020-07-11 01:10:47,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-11 01:10:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 170. [2020-07-11 01:10:47,641 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:47,641 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 170 states. [2020-07-11 01:10:47,641 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 170 states. [2020-07-11 01:10:47,641 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 170 states. [2020-07-11 01:10:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:47,649 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2020-07-11 01:10:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 245 transitions. [2020-07-11 01:10:47,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:47,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:47,650 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 221 states. [2020-07-11 01:10:47,651 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 221 states. [2020-07-11 01:10:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:47,658 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2020-07-11 01:10:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 245 transitions. [2020-07-11 01:10:47,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:47,659 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:47,659 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:47,660 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-11 01:10:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2020-07-11 01:10:47,664 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 80 [2020-07-11 01:10:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:47,665 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2020-07-11 01:10:47,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-11 01:10:47,665 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 170 states and 184 transitions. [2020-07-11 01:10:48,006 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2020-07-11 01:10:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-11 01:10:48,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:48,009 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:10:48,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 01:10:48,010 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:48,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:48,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1107353865, now seen corresponding path program 2 times [2020-07-11 01:10:48,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:48,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997860991] [2020-07-11 01:10:48,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:48,130 INFO L280 TraceCheckUtils]: 0: Hoare triple {6992#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6934#true} is VALID [2020-07-11 01:10:48,130 INFO L280 TraceCheckUtils]: 1: Hoare triple {6934#true} #valid := #valid[0 := 0]; {6934#true} is VALID [2020-07-11 01:10:48,131 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} assume 0 < #StackHeapBarrier; {6934#true} is VALID [2020-07-11 01:10:48,131 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-11 01:10:48,131 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6934#true} {6934#true} #259#return; {6934#true} is VALID [2020-07-11 01:10:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:48,243 INFO L280 TraceCheckUtils]: 0: Hoare triple {6934#true} ~from := #in~from; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:48,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:48,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,245 INFO L280 TraceCheckUtils]: 3: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,246 INFO L280 TraceCheckUtils]: 4: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,246 INFO L280 TraceCheckUtils]: 5: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,247 INFO L280 TraceCheckUtils]: 6: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,247 INFO L280 TraceCheckUtils]: 7: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,248 INFO L280 TraceCheckUtils]: 8: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,249 INFO L280 TraceCheckUtils]: 9: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,249 INFO L280 TraceCheckUtils]: 10: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,251 INFO L280 TraceCheckUtils]: 11: Hoare triple {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,251 INFO L280 TraceCheckUtils]: 12: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,252 INFO L280 TraceCheckUtils]: 13: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,253 INFO L280 TraceCheckUtils]: 14: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,254 INFO L280 TraceCheckUtils]: 15: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,254 INFO L280 TraceCheckUtils]: 16: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,255 INFO L280 TraceCheckUtils]: 17: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,256 INFO L280 TraceCheckUtils]: 18: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,256 INFO L280 TraceCheckUtils]: 19: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,257 INFO L280 TraceCheckUtils]: 20: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,258 INFO L280 TraceCheckUtils]: 21: Hoare triple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,259 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {6934#true} #243#return; {6964#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:10:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:48,340 INFO L280 TraceCheckUtils]: 0: Hoare triple {6998#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:48,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:48,342 INFO L280 TraceCheckUtils]: 2: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:48,342 INFO L280 TraceCheckUtils]: 3: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:48,343 INFO L280 TraceCheckUtils]: 4: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,344 INFO L280 TraceCheckUtils]: 5: Hoare triple {7001#(<= |sll_create_#in~len| 0)} havoc #t~post2; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,344 INFO L280 TraceCheckUtils]: 6: Hoare triple {7001#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,345 INFO L280 TraceCheckUtils]: 7: Hoare triple {7001#(<= |sll_create_#in~len| 0)} assume true; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,346 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7001#(<= |sll_create_#in~len| 0)} {6965#(<= 3 main_~len~2)} #245#return; {6935#false} is VALID [2020-07-11 01:10:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:48,352 INFO L280 TraceCheckUtils]: 0: Hoare triple {6934#true} ~from := #in~from; {6934#true} is VALID [2020-07-11 01:10:48,352 INFO L280 TraceCheckUtils]: 1: Hoare triple {6934#true} ~until := #in~until; {6934#true} is VALID [2020-07-11 01:10:48,352 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} ~len~1 := ~from; {6934#true} is VALID [2020-07-11 01:10:48,352 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} #t~short12 := ~len~1 < ~until; {6934#true} is VALID [2020-07-11 01:10:48,353 INFO L280 TraceCheckUtils]: 4: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-11 01:10:48,353 INFO L280 TraceCheckUtils]: 5: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-11 01:10:48,353 INFO L280 TraceCheckUtils]: 6: Hoare triple {6934#true} havoc #t~nondet11; {6934#true} is VALID [2020-07-11 01:10:48,353 INFO L280 TraceCheckUtils]: 7: Hoare triple {6934#true} havoc #t~short12; {6934#true} is VALID [2020-07-11 01:10:48,354 INFO L280 TraceCheckUtils]: 8: Hoare triple {6934#true} #res := ~len~1; {6934#true} is VALID [2020-07-11 01:10:48,354 INFO L280 TraceCheckUtils]: 9: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-11 01:10:48,354 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {6934#true} {6935#false} #247#return; {6935#false} is VALID [2020-07-11 01:10:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:48,360 INFO L280 TraceCheckUtils]: 0: Hoare triple {6934#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {6934#true} is VALID [2020-07-11 01:10:48,360 INFO L280 TraceCheckUtils]: 1: Hoare triple {6934#true} ~len~0 := 0; {6934#true} is VALID [2020-07-11 01:10:48,360 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} assume !(~head.base != 0 || ~head.offset != 0); {6934#true} is VALID [2020-07-11 01:10:48,360 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} #res := ~len~0; {6934#true} is VALID [2020-07-11 01:10:48,361 INFO L280 TraceCheckUtils]: 4: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-11 01:10:48,361 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6934#true} {6935#false} #253#return; {6935#false} is VALID [2020-07-11 01:10:48,362 INFO L263 TraceCheckUtils]: 0: Hoare triple {6934#true} call ULTIMATE.init(); {6992#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:48,363 INFO L280 TraceCheckUtils]: 1: Hoare triple {6992#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6934#true} is VALID [2020-07-11 01:10:48,363 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} #valid := #valid[0 := 0]; {6934#true} is VALID [2020-07-11 01:10:48,363 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} assume 0 < #StackHeapBarrier; {6934#true} is VALID [2020-07-11 01:10:48,363 INFO L280 TraceCheckUtils]: 4: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-11 01:10:48,363 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6934#true} {6934#true} #259#return; {6934#true} is VALID [2020-07-11 01:10:48,364 INFO L263 TraceCheckUtils]: 6: Hoare triple {6934#true} call #t~ret24 := main(); {6934#true} is VALID [2020-07-11 01:10:48,364 INFO L263 TraceCheckUtils]: 7: Hoare triple {6934#true} call #t~ret14 := _get_nondet_int(2, 5); {6934#true} is VALID [2020-07-11 01:10:48,366 INFO L280 TraceCheckUtils]: 8: Hoare triple {6934#true} ~from := #in~from; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:48,367 INFO L280 TraceCheckUtils]: 9: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:10:48,368 INFO L280 TraceCheckUtils]: 10: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,368 INFO L280 TraceCheckUtils]: 11: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,369 INFO L280 TraceCheckUtils]: 12: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,369 INFO L280 TraceCheckUtils]: 13: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,370 INFO L280 TraceCheckUtils]: 14: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,370 INFO L280 TraceCheckUtils]: 15: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,371 INFO L280 TraceCheckUtils]: 16: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,371 INFO L280 TraceCheckUtils]: 17: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:10:48,372 INFO L280 TraceCheckUtils]: 18: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,373 INFO L280 TraceCheckUtils]: 19: Hoare triple {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,374 INFO L280 TraceCheckUtils]: 20: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,374 INFO L280 TraceCheckUtils]: 21: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,375 INFO L280 TraceCheckUtils]: 22: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,375 INFO L280 TraceCheckUtils]: 23: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,376 INFO L280 TraceCheckUtils]: 24: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,377 INFO L280 TraceCheckUtils]: 25: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,377 INFO L280 TraceCheckUtils]: 26: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,378 INFO L280 TraceCheckUtils]: 27: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,378 INFO L280 TraceCheckUtils]: 28: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,379 INFO L280 TraceCheckUtils]: 29: Hoare triple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:10:48,380 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {6934#true} #243#return; {6964#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:10:48,380 INFO L280 TraceCheckUtils]: 31: Hoare triple {6964#(<= 3 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {6964#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:10:48,381 INFO L280 TraceCheckUtils]: 32: Hoare triple {6964#(<= 3 |main_#t~ret14|)} ~len~2 := #t~ret14; {6965#(<= 3 main_~len~2)} is VALID [2020-07-11 01:10:48,381 INFO L280 TraceCheckUtils]: 33: Hoare triple {6965#(<= 3 main_~len~2)} havoc #t~ret14; {6965#(<= 3 main_~len~2)} is VALID [2020-07-11 01:10:48,382 INFO L280 TraceCheckUtils]: 34: Hoare triple {6965#(<= 3 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {6965#(<= 3 main_~len~2)} is VALID [2020-07-11 01:10:48,383 INFO L263 TraceCheckUtils]: 35: Hoare triple {6965#(<= 3 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {6998#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:48,384 INFO L280 TraceCheckUtils]: 36: Hoare triple {6998#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:48,384 INFO L280 TraceCheckUtils]: 37: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:10:48,385 INFO L280 TraceCheckUtils]: 38: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:48,392 INFO L280 TraceCheckUtils]: 39: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:10:48,393 INFO L280 TraceCheckUtils]: 40: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,394 INFO L280 TraceCheckUtils]: 41: Hoare triple {7001#(<= |sll_create_#in~len| 0)} havoc #t~post2; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,394 INFO L280 TraceCheckUtils]: 42: Hoare triple {7001#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,395 INFO L280 TraceCheckUtils]: 43: Hoare triple {7001#(<= |sll_create_#in~len| 0)} assume true; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-11 01:10:48,396 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7001#(<= |sll_create_#in~len| 0)} {6965#(<= 3 main_~len~2)} #245#return; {6935#false} is VALID [2020-07-11 01:10:48,396 INFO L280 TraceCheckUtils]: 45: Hoare triple {6935#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {6935#false} is VALID [2020-07-11 01:10:48,397 INFO L280 TraceCheckUtils]: 46: Hoare triple {6935#false} havoc #t~ret15.base, #t~ret15.offset; {6935#false} is VALID [2020-07-11 01:10:48,397 INFO L263 TraceCheckUtils]: 47: Hoare triple {6935#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {6934#true} is VALID [2020-07-11 01:10:48,397 INFO L280 TraceCheckUtils]: 48: Hoare triple {6934#true} ~from := #in~from; {6934#true} is VALID [2020-07-11 01:10:48,397 INFO L280 TraceCheckUtils]: 49: Hoare triple {6934#true} ~until := #in~until; {6934#true} is VALID [2020-07-11 01:10:48,397 INFO L280 TraceCheckUtils]: 50: Hoare triple {6934#true} ~len~1 := ~from; {6934#true} is VALID [2020-07-11 01:10:48,398 INFO L280 TraceCheckUtils]: 51: Hoare triple {6934#true} #t~short12 := ~len~1 < ~until; {6934#true} is VALID [2020-07-11 01:10:48,398 INFO L280 TraceCheckUtils]: 52: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-11 01:10:48,398 INFO L280 TraceCheckUtils]: 53: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-11 01:10:48,398 INFO L280 TraceCheckUtils]: 54: Hoare triple {6934#true} havoc #t~nondet11; {6934#true} is VALID [2020-07-11 01:10:48,398 INFO L280 TraceCheckUtils]: 55: Hoare triple {6934#true} havoc #t~short12; {6934#true} is VALID [2020-07-11 01:10:48,399 INFO L280 TraceCheckUtils]: 56: Hoare triple {6934#true} #res := ~len~1; {6934#true} is VALID [2020-07-11 01:10:48,399 INFO L280 TraceCheckUtils]: 57: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-11 01:10:48,399 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6934#true} {6935#false} #247#return; {6935#false} is VALID [2020-07-11 01:10:48,399 INFO L280 TraceCheckUtils]: 59: Hoare triple {6935#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {6935#false} is VALID [2020-07-11 01:10:48,399 INFO L280 TraceCheckUtils]: 60: Hoare triple {6935#false} ~k~0 := #t~ret16; {6935#false} is VALID [2020-07-11 01:10:48,400 INFO L280 TraceCheckUtils]: 61: Hoare triple {6935#false} havoc #t~ret16; {6935#false} is VALID [2020-07-11 01:10:48,400 INFO L280 TraceCheckUtils]: 62: Hoare triple {6935#false} ~i~0 := 0; {6935#false} is VALID [2020-07-11 01:10:48,400 INFO L280 TraceCheckUtils]: 63: Hoare triple {6935#false} #t~short18 := ~i~0 < ~k~0; {6935#false} is VALID [2020-07-11 01:10:48,400 INFO L280 TraceCheckUtils]: 64: Hoare triple {6935#false} assume !#t~short18; {6935#false} is VALID [2020-07-11 01:10:48,400 INFO L280 TraceCheckUtils]: 65: Hoare triple {6935#false} assume !#t~short18; {6935#false} is VALID [2020-07-11 01:10:48,401 INFO L280 TraceCheckUtils]: 66: Hoare triple {6935#false} havoc #t~nondet17; {6935#false} is VALID [2020-07-11 01:10:48,401 INFO L280 TraceCheckUtils]: 67: Hoare triple {6935#false} havoc #t~short18; {6935#false} is VALID [2020-07-11 01:10:48,401 INFO L280 TraceCheckUtils]: 68: Hoare triple {6935#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {6935#false} is VALID [2020-07-11 01:10:48,401 INFO L263 TraceCheckUtils]: 69: Hoare triple {6935#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {6934#true} is VALID [2020-07-11 01:10:48,402 INFO L280 TraceCheckUtils]: 70: Hoare triple {6934#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {6934#true} is VALID [2020-07-11 01:10:48,402 INFO L280 TraceCheckUtils]: 71: Hoare triple {6934#true} ~len~0 := 0; {6934#true} is VALID [2020-07-11 01:10:48,402 INFO L280 TraceCheckUtils]: 72: Hoare triple {6934#true} assume !(~head.base != 0 || ~head.offset != 0); {6934#true} is VALID [2020-07-11 01:10:48,402 INFO L280 TraceCheckUtils]: 73: Hoare triple {6934#true} #res := ~len~0; {6934#true} is VALID [2020-07-11 01:10:48,402 INFO L280 TraceCheckUtils]: 74: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-11 01:10:48,403 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {6934#true} {6935#false} #253#return; {6935#false} is VALID [2020-07-11 01:10:48,403 INFO L280 TraceCheckUtils]: 76: Hoare triple {6935#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {6935#false} is VALID [2020-07-11 01:10:48,403 INFO L280 TraceCheckUtils]: 77: Hoare triple {6935#false} assume ~k~0 + ~len~2 != #t~ret22; {6935#false} is VALID [2020-07-11 01:10:48,403 INFO L280 TraceCheckUtils]: 78: Hoare triple {6935#false} havoc #t~mem21.base, #t~mem21.offset; {6935#false} is VALID [2020-07-11 01:10:48,404 INFO L280 TraceCheckUtils]: 79: Hoare triple {6935#false} havoc #t~ret22; {6935#false} is VALID [2020-07-11 01:10:48,404 INFO L280 TraceCheckUtils]: 80: Hoare triple {6935#false} assume !false; {6935#false} is VALID [2020-07-11 01:10:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-11 01:10:48,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997860991] [2020-07-11 01:10:48,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:10:48,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-11 01:10:48,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691658178] [2020-07-11 01:10:48,416 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2020-07-11 01:10:48,416 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:48,416 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-11 01:10:48,501 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:48,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-11 01:10:48,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:48,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-11 01:10:48,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-07-11 01:10:48,503 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand 14 states. [2020-07-11 01:10:54,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:54,390 INFO L93 Difference]: Finished difference Result 306 states and 337 transitions. [2020-07-11 01:10:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-11 01:10:54,390 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2020-07-11 01:10:54,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-11 01:10:54,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 321 transitions. [2020-07-11 01:10:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-11 01:10:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 321 transitions. [2020-07-11 01:10:54,401 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 321 transitions. [2020-07-11 01:10:54,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 321 edges. 321 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:54,874 INFO L225 Difference]: With dead ends: 306 [2020-07-11 01:10:54,875 INFO L226 Difference]: Without dead ends: 216 [2020-07-11 01:10:54,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2020-07-11 01:10:54,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-07-11 01:10:55,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2020-07-11 01:10:55,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:55,326 INFO L82 GeneralOperation]: Start isEquivalent. First operand 216 states. Second operand 170 states. [2020-07-11 01:10:55,326 INFO L74 IsIncluded]: Start isIncluded. First operand 216 states. Second operand 170 states. [2020-07-11 01:10:55,327 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 170 states. [2020-07-11 01:10:55,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:55,334 INFO L93 Difference]: Finished difference Result 216 states and 239 transitions. [2020-07-11 01:10:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2020-07-11 01:10:55,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:55,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:55,336 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 216 states. [2020-07-11 01:10:55,336 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 216 states. [2020-07-11 01:10:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:55,343 INFO L93 Difference]: Finished difference Result 216 states and 239 transitions. [2020-07-11 01:10:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2020-07-11 01:10:55,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:55,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:55,345 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:55,345 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-11 01:10:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2020-07-11 01:10:55,350 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 81 [2020-07-11 01:10:55,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:55,350 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2020-07-11 01:10:55,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-11 01:10:55,350 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 170 states and 183 transitions. [2020-07-11 01:10:55,706 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2020-07-11 01:10:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-11 01:10:55,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:55,708 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:10:55,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 01:10:55,708 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:10:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:55,709 INFO L82 PathProgramCache]: Analyzing trace with hash -574415326, now seen corresponding path program 2 times [2020-07-11 01:10:55,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:55,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273464043] [2020-07-11 01:10:55,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:55,807 INFO L280 TraceCheckUtils]: 0: Hoare triple {8498#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8431#true} is VALID [2020-07-11 01:10:55,807 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} #valid := #valid[0 := 0]; {8431#true} is VALID [2020-07-11 01:10:55,807 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} assume 0 < #StackHeapBarrier; {8431#true} is VALID [2020-07-11 01:10:55,807 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-11 01:10:55,808 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8431#true} {8431#true} #259#return; {8431#true} is VALID [2020-07-11 01:10:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:55,813 INFO L280 TraceCheckUtils]: 0: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-11 01:10:55,813 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-11 01:10:55,814 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-11 01:10:55,814 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-11 01:10:55,814 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume #t~short12; {8431#true} is VALID [2020-07-11 01:10:55,814 INFO L280 TraceCheckUtils]: 5: Hoare triple {8431#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8431#true} is VALID [2020-07-11 01:10:55,815 INFO L280 TraceCheckUtils]: 6: Hoare triple {8431#true} #t~short12 := 0 != #t~nondet11; {8431#true} is VALID [2020-07-11 01:10:55,815 INFO L280 TraceCheckUtils]: 7: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-11 01:10:55,815 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-11 01:10:55,815 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-11 01:10:55,816 INFO L280 TraceCheckUtils]: 10: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-11 01:10:55,816 INFO L280 TraceCheckUtils]: 11: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-11 01:10:55,816 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {8431#true} {8431#true} #243#return; {8431#true} is VALID [2020-07-11 01:10:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:55,962 INFO L280 TraceCheckUtils]: 0: Hoare triple {8499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {8431#true} is VALID [2020-07-11 01:10:55,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := 0, 0; {8431#true} is VALID [2020-07-11 01:10:55,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-11 01:10:55,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-11 01:10:55,963 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-11 01:10:55,963 INFO L280 TraceCheckUtils]: 5: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-11 01:10:55,963 INFO L280 TraceCheckUtils]: 6: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8431#true} is VALID [2020-07-11 01:10:55,963 INFO L280 TraceCheckUtils]: 7: Hoare triple {8431#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8431#true} is VALID [2020-07-11 01:10:55,963 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8431#true} is VALID [2020-07-11 01:10:55,964 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8431#true} is VALID [2020-07-11 01:10:55,964 INFO L280 TraceCheckUtils]: 10: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8431#true} is VALID [2020-07-11 01:10:55,964 INFO L280 TraceCheckUtils]: 11: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-11 01:10:55,964 INFO L280 TraceCheckUtils]: 12: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-11 01:10:55,965 INFO L280 TraceCheckUtils]: 13: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-11 01:10:55,965 INFO L280 TraceCheckUtils]: 14: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-11 01:10:55,966 INFO L280 TraceCheckUtils]: 15: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} is VALID [2020-07-11 01:10:55,967 INFO L280 TraceCheckUtils]: 16: Hoare triple {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-11 01:10:55,968 INFO L280 TraceCheckUtils]: 17: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-11 01:10:55,969 INFO L280 TraceCheckUtils]: 18: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-11 01:10:55,970 INFO L280 TraceCheckUtils]: 19: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:55,971 INFO L280 TraceCheckUtils]: 20: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #t~post2 := ~len; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:55,971 INFO L280 TraceCheckUtils]: 21: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} ~len := #t~post2 - 1; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:55,972 INFO L280 TraceCheckUtils]: 22: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} assume !(#t~post2 > 0); {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:55,973 INFO L280 TraceCheckUtils]: 23: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} havoc #t~post2; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:55,974 INFO L280 TraceCheckUtils]: 24: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-11 01:10:55,975 INFO L280 TraceCheckUtils]: 25: Hoare triple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} assume true; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-11 01:10:55,976 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} {8431#true} #245#return; {8478#(not (= 0 |main_#t~ret15.base|))} is VALID [2020-07-11 01:10:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:56,005 INFO L280 TraceCheckUtils]: 0: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-11 01:10:56,006 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-11 01:10:56,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-11 01:10:56,006 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-11 01:10:56,006 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-11 01:10:56,006 INFO L280 TraceCheckUtils]: 5: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-11 01:10:56,006 INFO L280 TraceCheckUtils]: 6: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-11 01:10:56,007 INFO L280 TraceCheckUtils]: 7: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-11 01:10:56,007 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-11 01:10:56,007 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-11 01:10:56,008 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {8431#true} {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #247#return; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:10:56,048 INFO L280 TraceCheckUtils]: 0: Hoare triple {8431#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-11 01:10:56,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} ~len~0 := 0; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-11 01:10:56,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-11 01:10:56,050 INFO L280 TraceCheckUtils]: 3: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} #res := ~len~0; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-11 01:10:56,050 INFO L280 TraceCheckUtils]: 4: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} assume true; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-11 01:10:56,051 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8505#(= 0 |sll_length_#in~head.base|)} {8491#(not (= 0 |main_#t~mem21.base|))} #253#return; {8432#false} is VALID [2020-07-11 01:10:56,051 INFO L263 TraceCheckUtils]: 0: Hoare triple {8431#true} call ULTIMATE.init(); {8498#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:10:56,052 INFO L280 TraceCheckUtils]: 1: Hoare triple {8498#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8431#true} is VALID [2020-07-11 01:10:56,052 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} #valid := #valid[0 := 0]; {8431#true} is VALID [2020-07-11 01:10:56,052 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} assume 0 < #StackHeapBarrier; {8431#true} is VALID [2020-07-11 01:10:56,052 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-11 01:10:56,052 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8431#true} {8431#true} #259#return; {8431#true} is VALID [2020-07-11 01:10:56,053 INFO L263 TraceCheckUtils]: 6: Hoare triple {8431#true} call #t~ret24 := main(); {8431#true} is VALID [2020-07-11 01:10:56,053 INFO L263 TraceCheckUtils]: 7: Hoare triple {8431#true} call #t~ret14 := _get_nondet_int(2, 5); {8431#true} is VALID [2020-07-11 01:10:56,053 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-11 01:10:56,053 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-11 01:10:56,053 INFO L280 TraceCheckUtils]: 10: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-11 01:10:56,054 INFO L280 TraceCheckUtils]: 11: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-11 01:10:56,054 INFO L280 TraceCheckUtils]: 12: Hoare triple {8431#true} assume #t~short12; {8431#true} is VALID [2020-07-11 01:10:56,054 INFO L280 TraceCheckUtils]: 13: Hoare triple {8431#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8431#true} is VALID [2020-07-11 01:10:56,054 INFO L280 TraceCheckUtils]: 14: Hoare triple {8431#true} #t~short12 := 0 != #t~nondet11; {8431#true} is VALID [2020-07-11 01:10:56,054 INFO L280 TraceCheckUtils]: 15: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-11 01:10:56,054 INFO L280 TraceCheckUtils]: 16: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-11 01:10:56,055 INFO L280 TraceCheckUtils]: 17: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-11 01:10:56,055 INFO L280 TraceCheckUtils]: 18: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-11 01:10:56,055 INFO L280 TraceCheckUtils]: 19: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-11 01:10:56,055 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8431#true} {8431#true} #243#return; {8431#true} is VALID [2020-07-11 01:10:56,055 INFO L280 TraceCheckUtils]: 21: Hoare triple {8431#true} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {8431#true} is VALID [2020-07-11 01:10:56,056 INFO L280 TraceCheckUtils]: 22: Hoare triple {8431#true} ~len~2 := #t~ret14; {8431#true} is VALID [2020-07-11 01:10:56,056 INFO L280 TraceCheckUtils]: 23: Hoare triple {8431#true} havoc #t~ret14; {8431#true} is VALID [2020-07-11 01:10:56,056 INFO L280 TraceCheckUtils]: 24: Hoare triple {8431#true} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {8431#true} is VALID [2020-07-11 01:10:56,064 INFO L263 TraceCheckUtils]: 25: Hoare triple {8431#true} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {8499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:10:56,064 INFO L280 TraceCheckUtils]: 26: Hoare triple {8499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {8431#true} is VALID [2020-07-11 01:10:56,065 INFO L280 TraceCheckUtils]: 27: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := 0, 0; {8431#true} is VALID [2020-07-11 01:10:56,065 INFO L280 TraceCheckUtils]: 28: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-11 01:10:56,065 INFO L280 TraceCheckUtils]: 29: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-11 01:10:56,065 INFO L280 TraceCheckUtils]: 30: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-11 01:10:56,065 INFO L280 TraceCheckUtils]: 31: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-11 01:10:56,066 INFO L280 TraceCheckUtils]: 32: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8431#true} is VALID [2020-07-11 01:10:56,066 INFO L280 TraceCheckUtils]: 33: Hoare triple {8431#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8431#true} is VALID [2020-07-11 01:10:56,066 INFO L280 TraceCheckUtils]: 34: Hoare triple {8431#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8431#true} is VALID [2020-07-11 01:10:56,066 INFO L280 TraceCheckUtils]: 35: Hoare triple {8431#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8431#true} is VALID [2020-07-11 01:10:56,066 INFO L280 TraceCheckUtils]: 36: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8431#true} is VALID [2020-07-11 01:10:56,066 INFO L280 TraceCheckUtils]: 37: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-11 01:10:56,067 INFO L280 TraceCheckUtils]: 38: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-11 01:10:56,067 INFO L280 TraceCheckUtils]: 39: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-11 01:10:56,067 INFO L280 TraceCheckUtils]: 40: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-11 01:10:56,068 INFO L280 TraceCheckUtils]: 41: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} is VALID [2020-07-11 01:10:56,069 INFO L280 TraceCheckUtils]: 42: Hoare triple {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-11 01:10:56,070 INFO L280 TraceCheckUtils]: 43: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-11 01:10:56,070 INFO L280 TraceCheckUtils]: 44: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-11 01:10:56,071 INFO L280 TraceCheckUtils]: 45: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:56,072 INFO L280 TraceCheckUtils]: 46: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #t~post2 := ~len; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:56,072 INFO L280 TraceCheckUtils]: 47: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} ~len := #t~post2 - 1; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:56,073 INFO L280 TraceCheckUtils]: 48: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} assume !(#t~post2 > 0); {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:56,073 INFO L280 TraceCheckUtils]: 49: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} havoc #t~post2; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-11 01:10:56,074 INFO L280 TraceCheckUtils]: 50: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-11 01:10:56,075 INFO L280 TraceCheckUtils]: 51: Hoare triple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} assume true; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-11 01:10:56,076 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} {8431#true} #245#return; {8478#(not (= 0 |main_#t~ret15.base|))} is VALID [2020-07-11 01:10:56,077 INFO L280 TraceCheckUtils]: 53: Hoare triple {8478#(not (= 0 |main_#t~ret15.base|))} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,077 INFO L280 TraceCheckUtils]: 54: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~ret15.base, #t~ret15.offset; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,077 INFO L263 TraceCheckUtils]: 55: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {8431#true} is VALID [2020-07-11 01:10:56,078 INFO L280 TraceCheckUtils]: 56: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-11 01:10:56,078 INFO L280 TraceCheckUtils]: 57: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-11 01:10:56,078 INFO L280 TraceCheckUtils]: 58: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-11 01:10:56,078 INFO L280 TraceCheckUtils]: 59: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-11 01:10:56,078 INFO L280 TraceCheckUtils]: 60: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-11 01:10:56,078 INFO L280 TraceCheckUtils]: 61: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-11 01:10:56,079 INFO L280 TraceCheckUtils]: 62: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-11 01:10:56,079 INFO L280 TraceCheckUtils]: 63: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-11 01:10:56,079 INFO L280 TraceCheckUtils]: 64: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-11 01:10:56,079 INFO L280 TraceCheckUtils]: 65: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-11 01:10:56,080 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {8431#true} {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #247#return; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,081 INFO L280 TraceCheckUtils]: 67: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,082 INFO L280 TraceCheckUtils]: 68: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} ~k~0 := #t~ret16; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,082 INFO L280 TraceCheckUtils]: 69: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~ret16; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,083 INFO L280 TraceCheckUtils]: 70: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} ~i~0 := 0; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,083 INFO L280 TraceCheckUtils]: 71: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #t~short18 := ~i~0 < ~k~0; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,084 INFO L280 TraceCheckUtils]: 72: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !#t~short18; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,084 INFO L280 TraceCheckUtils]: 73: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !#t~short18; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,085 INFO L280 TraceCheckUtils]: 74: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~nondet17; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,085 INFO L280 TraceCheckUtils]: 75: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~short18; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-11 01:10:56,086 INFO L280 TraceCheckUtils]: 76: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {8491#(not (= 0 |main_#t~mem21.base|))} is VALID [2020-07-11 01:10:56,086 INFO L263 TraceCheckUtils]: 77: Hoare triple {8491#(not (= 0 |main_#t~mem21.base|))} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {8431#true} is VALID [2020-07-11 01:10:56,087 INFO L280 TraceCheckUtils]: 78: Hoare triple {8431#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-11 01:10:56,087 INFO L280 TraceCheckUtils]: 79: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} ~len~0 := 0; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-11 01:10:56,089 INFO L280 TraceCheckUtils]: 80: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-11 01:10:56,090 INFO L280 TraceCheckUtils]: 81: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} #res := ~len~0; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-11 01:10:56,091 INFO L280 TraceCheckUtils]: 82: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} assume true; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-11 01:10:56,092 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {8505#(= 0 |sll_length_#in~head.base|)} {8491#(not (= 0 |main_#t~mem21.base|))} #253#return; {8432#false} is VALID [2020-07-11 01:10:56,092 INFO L280 TraceCheckUtils]: 84: Hoare triple {8432#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {8432#false} is VALID [2020-07-11 01:10:56,092 INFO L280 TraceCheckUtils]: 85: Hoare triple {8432#false} assume ~k~0 + ~len~2 != #t~ret22; {8432#false} is VALID [2020-07-11 01:10:56,093 INFO L280 TraceCheckUtils]: 86: Hoare triple {8432#false} havoc #t~mem21.base, #t~mem21.offset; {8432#false} is VALID [2020-07-11 01:10:56,093 INFO L280 TraceCheckUtils]: 87: Hoare triple {8432#false} havoc #t~ret22; {8432#false} is VALID [2020-07-11 01:10:56,093 INFO L280 TraceCheckUtils]: 88: Hoare triple {8432#false} assume !false; {8432#false} is VALID [2020-07-11 01:10:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-11 01:10:56,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273464043] [2020-07-11 01:10:56,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:10:56,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-11 01:10:56,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482909675] [2020-07-11 01:10:56,104 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-07-11 01:10:56,104 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:10:56,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-11 01:10:56,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:56,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-11 01:10:56,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:10:56,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-11 01:10:56,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-11 01:10:56,195 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 13 states. [2020-07-11 01:10:59,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:59,565 INFO L93 Difference]: Finished difference Result 207 states and 225 transitions. [2020-07-11 01:10:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-11 01:10:59,565 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-07-11 01:10:59,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-11 01:10:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2020-07-11 01:10:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-11 01:10:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2020-07-11 01:10:59,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 174 transitions. [2020-07-11 01:10:59,863 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:59,870 INFO L225 Difference]: With dead ends: 207 [2020-07-11 01:10:59,871 INFO L226 Difference]: Without dead ends: 201 [2020-07-11 01:10:59,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2020-07-11 01:10:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-11 01:11:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2020-07-11 01:11:00,495 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:11:00,495 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 183 states. [2020-07-11 01:11:00,495 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 183 states. [2020-07-11 01:11:00,495 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 183 states. [2020-07-11 01:11:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:00,511 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2020-07-11 01:11:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 219 transitions. [2020-07-11 01:11:00,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:00,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:00,513 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 201 states. [2020-07-11 01:11:00,513 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 201 states. [2020-07-11 01:11:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:00,522 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2020-07-11 01:11:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 219 transitions. [2020-07-11 01:11:00,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:00,523 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:00,523 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:11:00,524 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:11:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-07-11 01:11:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 200 transitions. [2020-07-11 01:11:00,529 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 200 transitions. Word has length 89 [2020-07-11 01:11:00,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:11:00,529 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 200 transitions. [2020-07-11 01:11:00,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-11 01:11:00,530 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 183 states and 200 transitions. [2020-07-11 01:11:00,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 200 edges. 200 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 200 transitions. [2020-07-11 01:11:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-11 01:11:00,965 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:11:00,965 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:11:00,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 01:11:00,965 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:11:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:11:00,966 INFO L82 PathProgramCache]: Analyzing trace with hash 263120297, now seen corresponding path program 1 times [2020-07-11 01:11:00,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:11:00,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660977285] [2020-07-11 01:11:00,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:11:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:01,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {9782#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9708#true} is VALID [2020-07-11 01:11:01,086 INFO L280 TraceCheckUtils]: 1: Hoare triple {9708#true} #valid := #valid[0 := 0]; {9708#true} is VALID [2020-07-11 01:11:01,086 INFO L280 TraceCheckUtils]: 2: Hoare triple {9708#true} assume 0 < #StackHeapBarrier; {9708#true} is VALID [2020-07-11 01:11:01,086 INFO L280 TraceCheckUtils]: 3: Hoare triple {9708#true} assume true; {9708#true} is VALID [2020-07-11 01:11:01,087 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9708#true} {9708#true} #259#return; {9708#true} is VALID [2020-07-11 01:11:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:01,091 INFO L280 TraceCheckUtils]: 0: Hoare triple {9708#true} ~from := #in~from; {9708#true} is VALID [2020-07-11 01:11:01,092 INFO L280 TraceCheckUtils]: 1: Hoare triple {9708#true} ~until := #in~until; {9708#true} is VALID [2020-07-11 01:11:01,092 INFO L280 TraceCheckUtils]: 2: Hoare triple {9708#true} ~len~1 := ~from; {9708#true} is VALID [2020-07-11 01:11:01,093 INFO L280 TraceCheckUtils]: 3: Hoare triple {9708#true} #t~short12 := ~len~1 < ~until; {9708#true} is VALID [2020-07-11 01:11:01,094 INFO L280 TraceCheckUtils]: 4: Hoare triple {9708#true} assume #t~short12; {9708#true} is VALID [2020-07-11 01:11:01,094 INFO L280 TraceCheckUtils]: 5: Hoare triple {9708#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {9708#true} is VALID [2020-07-11 01:11:01,094 INFO L280 TraceCheckUtils]: 6: Hoare triple {9708#true} #t~short12 := 0 != #t~nondet11; {9708#true} is VALID [2020-07-11 01:11:01,094 INFO L280 TraceCheckUtils]: 7: Hoare triple {9708#true} assume !#t~short12; {9708#true} is VALID [2020-07-11 01:11:01,095 INFO L280 TraceCheckUtils]: 8: Hoare triple {9708#true} havoc #t~nondet11; {9708#true} is VALID [2020-07-11 01:11:01,095 INFO L280 TraceCheckUtils]: 9: Hoare triple {9708#true} havoc #t~short12; {9708#true} is VALID [2020-07-11 01:11:01,095 INFO L280 TraceCheckUtils]: 10: Hoare triple {9708#true} #res := ~len~1; {9708#true} is VALID [2020-07-11 01:11:01,095 INFO L280 TraceCheckUtils]: 11: Hoare triple {9708#true} assume true; {9708#true} is VALID [2020-07-11 01:11:01,095 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {9708#true} {9708#true} #243#return; {9708#true} is VALID [2020-07-11 01:11:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:01,265 INFO L280 TraceCheckUtils]: 0: Hoare triple {9783#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {9708#true} is VALID [2020-07-11 01:11:01,266 INFO L280 TraceCheckUtils]: 1: Hoare triple {9708#true} ~head~0.base, ~head~0.offset := 0, 0; {9708#true} is VALID [2020-07-11 01:11:01,266 INFO L280 TraceCheckUtils]: 2: Hoare triple {9708#true} #t~post2 := ~len; {9708#true} is VALID [2020-07-11 01:11:01,266 INFO L280 TraceCheckUtils]: 3: Hoare triple {9708#true} ~len := #t~post2 - 1; {9708#true} is VALID [2020-07-11 01:11:01,267 INFO L280 TraceCheckUtils]: 4: Hoare triple {9708#true} assume !!(#t~post2 > 0); {9708#true} is VALID [2020-07-11 01:11:01,267 INFO L280 TraceCheckUtils]: 5: Hoare triple {9708#true} havoc #t~post2; {9708#true} is VALID [2020-07-11 01:11:01,268 INFO L280 TraceCheckUtils]: 6: Hoare triple {9708#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {9784#(= 0 |sll_create_#t~malloc3.offset|)} is VALID [2020-07-11 01:11:01,268 INFO L280 TraceCheckUtils]: 7: Hoare triple {9784#(= 0 |sll_create_#t~malloc3.offset|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {9785#(= sll_create_~new_head~0.offset 0)} is VALID [2020-07-11 01:11:01,269 INFO L280 TraceCheckUtils]: 8: Hoare triple {9785#(= sll_create_~new_head~0.offset 0)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9786#(not (= 0 sll_create_~new_head~0.base))} is VALID [2020-07-11 01:11:01,269 INFO L280 TraceCheckUtils]: 9: Hoare triple {9786#(not (= 0 sll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {9786#(not (= 0 sll_create_~new_head~0.base))} is VALID [2020-07-11 01:11:01,270 INFO L280 TraceCheckUtils]: 10: Hoare triple {9786#(not (= 0 sll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,270 INFO L280 TraceCheckUtils]: 11: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} #t~post2 := ~len; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,270 INFO L280 TraceCheckUtils]: 12: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} ~len := #t~post2 - 1; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,271 INFO L280 TraceCheckUtils]: 13: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} assume !!(#t~post2 > 0); {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,271 INFO L280 TraceCheckUtils]: 14: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} havoc #t~post2; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,272 INFO L280 TraceCheckUtils]: 15: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,272 INFO L280 TraceCheckUtils]: 16: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,272 INFO L280 TraceCheckUtils]: 17: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,274 INFO L280 TraceCheckUtils]: 18: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {9788#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} is VALID [2020-07-11 01:11:01,274 INFO L280 TraceCheckUtils]: 19: Hoare triple {9788#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,275 INFO L280 TraceCheckUtils]: 20: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} #t~post2 := ~len; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,275 INFO L280 TraceCheckUtils]: 21: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} ~len := #t~post2 - 1; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,275 INFO L280 TraceCheckUtils]: 22: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} assume !(#t~post2 > 0); {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,276 INFO L280 TraceCheckUtils]: 23: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} havoc #t~post2; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,276 INFO L280 TraceCheckUtils]: 24: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} is VALID [2020-07-11 01:11:01,277 INFO L280 TraceCheckUtils]: 25: Hoare triple {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} assume true; {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} is VALID [2020-07-11 01:11:01,278 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} {9708#true} #245#return; {9755#(not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)))} is VALID [2020-07-11 01:11:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:01,295 INFO L280 TraceCheckUtils]: 0: Hoare triple {9708#true} ~from := #in~from; {9708#true} is VALID [2020-07-11 01:11:01,296 INFO L280 TraceCheckUtils]: 1: Hoare triple {9708#true} ~until := #in~until; {9708#true} is VALID [2020-07-11 01:11:01,296 INFO L280 TraceCheckUtils]: 2: Hoare triple {9708#true} ~len~1 := ~from; {9708#true} is VALID [2020-07-11 01:11:01,296 INFO L280 TraceCheckUtils]: 3: Hoare triple {9708#true} #t~short12 := ~len~1 < ~until; {9708#true} is VALID [2020-07-11 01:11:01,296 INFO L280 TraceCheckUtils]: 4: Hoare triple {9708#true} assume !#t~short12; {9708#true} is VALID [2020-07-11 01:11:01,296 INFO L280 TraceCheckUtils]: 5: Hoare triple {9708#true} assume !#t~short12; {9708#true} is VALID [2020-07-11 01:11:01,296 INFO L280 TraceCheckUtils]: 6: Hoare triple {9708#true} havoc #t~nondet11; {9708#true} is VALID [2020-07-11 01:11:01,297 INFO L280 TraceCheckUtils]: 7: Hoare triple {9708#true} havoc #t~short12; {9708#true} is VALID [2020-07-11 01:11:01,297 INFO L280 TraceCheckUtils]: 8: Hoare triple {9708#true} #res := ~len~1; {9708#true} is VALID [2020-07-11 01:11:01,297 INFO L280 TraceCheckUtils]: 9: Hoare triple {9708#true} assume true; {9708#true} is VALID [2020-07-11 01:11:01,300 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {9708#true} {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} #247#return; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:01,406 INFO L280 TraceCheckUtils]: 0: Hoare triple {9708#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,407 INFO L280 TraceCheckUtils]: 1: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 0; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,408 INFO L280 TraceCheckUtils]: 2: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,409 INFO L280 TraceCheckUtils]: 3: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} #t~post4 := ~len~0; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,409 INFO L280 TraceCheckUtils]: 4: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 1 + #t~post4; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,410 INFO L280 TraceCheckUtils]: 5: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} havoc #t~post4; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,414 INFO L280 TraceCheckUtils]: 6: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {9792#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|)} is VALID [2020-07-11 01:11:01,415 INFO L280 TraceCheckUtils]: 7: Hoare triple {9792#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|)} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} is VALID [2020-07-11 01:11:01,415 INFO L280 TraceCheckUtils]: 8: Hoare triple {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} havoc #t~mem5.base, #t~mem5.offset; {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} is VALID [2020-07-11 01:11:01,417 INFO L280 TraceCheckUtils]: 9: Hoare triple {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} is VALID [2020-07-11 01:11:01,418 INFO L280 TraceCheckUtils]: 10: Hoare triple {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} #res := ~len~0; {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} is VALID [2020-07-11 01:11:01,418 INFO L280 TraceCheckUtils]: 11: Hoare triple {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} assume true; {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} is VALID [2020-07-11 01:11:01,420 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} {9768#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|) 0))} #253#return; {9709#false} is VALID [2020-07-11 01:11:01,422 INFO L263 TraceCheckUtils]: 0: Hoare triple {9708#true} call ULTIMATE.init(); {9782#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:11:01,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {9782#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9708#true} is VALID [2020-07-11 01:11:01,423 INFO L280 TraceCheckUtils]: 2: Hoare triple {9708#true} #valid := #valid[0 := 0]; {9708#true} is VALID [2020-07-11 01:11:01,423 INFO L280 TraceCheckUtils]: 3: Hoare triple {9708#true} assume 0 < #StackHeapBarrier; {9708#true} is VALID [2020-07-11 01:11:01,423 INFO L280 TraceCheckUtils]: 4: Hoare triple {9708#true} assume true; {9708#true} is VALID [2020-07-11 01:11:01,423 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9708#true} {9708#true} #259#return; {9708#true} is VALID [2020-07-11 01:11:01,424 INFO L263 TraceCheckUtils]: 6: Hoare triple {9708#true} call #t~ret24 := main(); {9708#true} is VALID [2020-07-11 01:11:01,424 INFO L263 TraceCheckUtils]: 7: Hoare triple {9708#true} call #t~ret14 := _get_nondet_int(2, 5); {9708#true} is VALID [2020-07-11 01:11:01,424 INFO L280 TraceCheckUtils]: 8: Hoare triple {9708#true} ~from := #in~from; {9708#true} is VALID [2020-07-11 01:11:01,424 INFO L280 TraceCheckUtils]: 9: Hoare triple {9708#true} ~until := #in~until; {9708#true} is VALID [2020-07-11 01:11:01,424 INFO L280 TraceCheckUtils]: 10: Hoare triple {9708#true} ~len~1 := ~from; {9708#true} is VALID [2020-07-11 01:11:01,425 INFO L280 TraceCheckUtils]: 11: Hoare triple {9708#true} #t~short12 := ~len~1 < ~until; {9708#true} is VALID [2020-07-11 01:11:01,425 INFO L280 TraceCheckUtils]: 12: Hoare triple {9708#true} assume #t~short12; {9708#true} is VALID [2020-07-11 01:11:01,425 INFO L280 TraceCheckUtils]: 13: Hoare triple {9708#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {9708#true} is VALID [2020-07-11 01:11:01,425 INFO L280 TraceCheckUtils]: 14: Hoare triple {9708#true} #t~short12 := 0 != #t~nondet11; {9708#true} is VALID [2020-07-11 01:11:01,425 INFO L280 TraceCheckUtils]: 15: Hoare triple {9708#true} assume !#t~short12; {9708#true} is VALID [2020-07-11 01:11:01,426 INFO L280 TraceCheckUtils]: 16: Hoare triple {9708#true} havoc #t~nondet11; {9708#true} is VALID [2020-07-11 01:11:01,426 INFO L280 TraceCheckUtils]: 17: Hoare triple {9708#true} havoc #t~short12; {9708#true} is VALID [2020-07-11 01:11:01,426 INFO L280 TraceCheckUtils]: 18: Hoare triple {9708#true} #res := ~len~1; {9708#true} is VALID [2020-07-11 01:11:01,426 INFO L280 TraceCheckUtils]: 19: Hoare triple {9708#true} assume true; {9708#true} is VALID [2020-07-11 01:11:01,427 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {9708#true} {9708#true} #243#return; {9708#true} is VALID [2020-07-11 01:11:01,427 INFO L280 TraceCheckUtils]: 21: Hoare triple {9708#true} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {9708#true} is VALID [2020-07-11 01:11:01,427 INFO L280 TraceCheckUtils]: 22: Hoare triple {9708#true} ~len~2 := #t~ret14; {9708#true} is VALID [2020-07-11 01:11:01,427 INFO L280 TraceCheckUtils]: 23: Hoare triple {9708#true} havoc #t~ret14; {9708#true} is VALID [2020-07-11 01:11:01,427 INFO L280 TraceCheckUtils]: 24: Hoare triple {9708#true} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {9708#true} is VALID [2020-07-11 01:11:01,429 INFO L263 TraceCheckUtils]: 25: Hoare triple {9708#true} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {9783#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:11:01,429 INFO L280 TraceCheckUtils]: 26: Hoare triple {9783#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {9708#true} is VALID [2020-07-11 01:11:01,429 INFO L280 TraceCheckUtils]: 27: Hoare triple {9708#true} ~head~0.base, ~head~0.offset := 0, 0; {9708#true} is VALID [2020-07-11 01:11:01,429 INFO L280 TraceCheckUtils]: 28: Hoare triple {9708#true} #t~post2 := ~len; {9708#true} is VALID [2020-07-11 01:11:01,430 INFO L280 TraceCheckUtils]: 29: Hoare triple {9708#true} ~len := #t~post2 - 1; {9708#true} is VALID [2020-07-11 01:11:01,430 INFO L280 TraceCheckUtils]: 30: Hoare triple {9708#true} assume !!(#t~post2 > 0); {9708#true} is VALID [2020-07-11 01:11:01,430 INFO L280 TraceCheckUtils]: 31: Hoare triple {9708#true} havoc #t~post2; {9708#true} is VALID [2020-07-11 01:11:01,436 INFO L280 TraceCheckUtils]: 32: Hoare triple {9708#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {9784#(= 0 |sll_create_#t~malloc3.offset|)} is VALID [2020-07-11 01:11:01,436 INFO L280 TraceCheckUtils]: 33: Hoare triple {9784#(= 0 |sll_create_#t~malloc3.offset|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {9785#(= sll_create_~new_head~0.offset 0)} is VALID [2020-07-11 01:11:01,437 INFO L280 TraceCheckUtils]: 34: Hoare triple {9785#(= sll_create_~new_head~0.offset 0)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9786#(not (= 0 sll_create_~new_head~0.base))} is VALID [2020-07-11 01:11:01,438 INFO L280 TraceCheckUtils]: 35: Hoare triple {9786#(not (= 0 sll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {9786#(not (= 0 sll_create_~new_head~0.base))} is VALID [2020-07-11 01:11:01,439 INFO L280 TraceCheckUtils]: 36: Hoare triple {9786#(not (= 0 sll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,440 INFO L280 TraceCheckUtils]: 37: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} #t~post2 := ~len; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,441 INFO L280 TraceCheckUtils]: 38: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} ~len := #t~post2 - 1; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,442 INFO L280 TraceCheckUtils]: 39: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} assume !!(#t~post2 > 0); {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,442 INFO L280 TraceCheckUtils]: 40: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} havoc #t~post2; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,443 INFO L280 TraceCheckUtils]: 41: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,444 INFO L280 TraceCheckUtils]: 42: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,445 INFO L280 TraceCheckUtils]: 43: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9787#(not (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:01,446 INFO L280 TraceCheckUtils]: 44: Hoare triple {9787#(not (= 0 sll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {9788#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} is VALID [2020-07-11 01:11:01,448 INFO L280 TraceCheckUtils]: 45: Hoare triple {9788#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,448 INFO L280 TraceCheckUtils]: 46: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} #t~post2 := ~len; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,449 INFO L280 TraceCheckUtils]: 47: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} ~len := #t~post2 - 1; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,450 INFO L280 TraceCheckUtils]: 48: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} assume !(#t~post2 > 0); {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,451 INFO L280 TraceCheckUtils]: 49: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} havoc #t~post2; {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:01,452 INFO L280 TraceCheckUtils]: 50: Hoare triple {9789#(not (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} is VALID [2020-07-11 01:11:01,453 INFO L280 TraceCheckUtils]: 51: Hoare triple {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} assume true; {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} is VALID [2020-07-11 01:11:01,454 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {9790#(not (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)))} {9708#true} #245#return; {9755#(not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)))} is VALID [2020-07-11 01:11:01,455 INFO L280 TraceCheckUtils]: 53: Hoare triple {9755#(not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)))} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,456 INFO L280 TraceCheckUtils]: 54: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} havoc #t~ret15.base, #t~ret15.offset; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,456 INFO L263 TraceCheckUtils]: 55: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {9708#true} is VALID [2020-07-11 01:11:01,456 INFO L280 TraceCheckUtils]: 56: Hoare triple {9708#true} ~from := #in~from; {9708#true} is VALID [2020-07-11 01:11:01,457 INFO L280 TraceCheckUtils]: 57: Hoare triple {9708#true} ~until := #in~until; {9708#true} is VALID [2020-07-11 01:11:01,457 INFO L280 TraceCheckUtils]: 58: Hoare triple {9708#true} ~len~1 := ~from; {9708#true} is VALID [2020-07-11 01:11:01,457 INFO L280 TraceCheckUtils]: 59: Hoare triple {9708#true} #t~short12 := ~len~1 < ~until; {9708#true} is VALID [2020-07-11 01:11:01,457 INFO L280 TraceCheckUtils]: 60: Hoare triple {9708#true} assume !#t~short12; {9708#true} is VALID [2020-07-11 01:11:01,457 INFO L280 TraceCheckUtils]: 61: Hoare triple {9708#true} assume !#t~short12; {9708#true} is VALID [2020-07-11 01:11:01,458 INFO L280 TraceCheckUtils]: 62: Hoare triple {9708#true} havoc #t~nondet11; {9708#true} is VALID [2020-07-11 01:11:01,458 INFO L280 TraceCheckUtils]: 63: Hoare triple {9708#true} havoc #t~short12; {9708#true} is VALID [2020-07-11 01:11:01,458 INFO L280 TraceCheckUtils]: 64: Hoare triple {9708#true} #res := ~len~1; {9708#true} is VALID [2020-07-11 01:11:01,458 INFO L280 TraceCheckUtils]: 65: Hoare triple {9708#true} assume true; {9708#true} is VALID [2020-07-11 01:11:01,459 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {9708#true} {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} #247#return; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,460 INFO L280 TraceCheckUtils]: 67: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,461 INFO L280 TraceCheckUtils]: 68: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} ~k~0 := #t~ret16; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,461 INFO L280 TraceCheckUtils]: 69: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} havoc #t~ret16; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,462 INFO L280 TraceCheckUtils]: 70: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} ~i~0 := 0; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,463 INFO L280 TraceCheckUtils]: 71: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} #t~short18 := ~i~0 < ~k~0; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,464 INFO L280 TraceCheckUtils]: 72: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} assume !#t~short18; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,465 INFO L280 TraceCheckUtils]: 73: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} assume !#t~short18; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,465 INFO L280 TraceCheckUtils]: 74: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} havoc #t~nondet17; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,466 INFO L280 TraceCheckUtils]: 75: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} havoc #t~short18; {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} is VALID [2020-07-11 01:11:01,468 INFO L280 TraceCheckUtils]: 76: Hoare triple {9756#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) 0))} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {9768#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|) 0))} is VALID [2020-07-11 01:11:01,468 INFO L263 TraceCheckUtils]: 77: Hoare triple {9768#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|) 0))} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {9708#true} is VALID [2020-07-11 01:11:01,469 INFO L280 TraceCheckUtils]: 78: Hoare triple {9708#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,470 INFO L280 TraceCheckUtils]: 79: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 0; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,472 INFO L280 TraceCheckUtils]: 80: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,473 INFO L280 TraceCheckUtils]: 81: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} #t~post4 := ~len~0; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,474 INFO L280 TraceCheckUtils]: 82: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 1 + #t~post4; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,475 INFO L280 TraceCheckUtils]: 83: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} havoc #t~post4; {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:01,476 INFO L280 TraceCheckUtils]: 84: Hoare triple {9791#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {9792#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|)} is VALID [2020-07-11 01:11:01,477 INFO L280 TraceCheckUtils]: 85: Hoare triple {9792#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|)} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} is VALID [2020-07-11 01:11:01,478 INFO L280 TraceCheckUtils]: 86: Hoare triple {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} havoc #t~mem5.base, #t~mem5.offset; {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} is VALID [2020-07-11 01:11:01,479 INFO L280 TraceCheckUtils]: 87: Hoare triple {9793#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} is VALID [2020-07-11 01:11:01,479 INFO L280 TraceCheckUtils]: 88: Hoare triple {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} #res := ~len~0; {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} is VALID [2020-07-11 01:11:01,480 INFO L280 TraceCheckUtils]: 89: Hoare triple {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} assume true; {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} is VALID [2020-07-11 01:11:01,481 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {9794#(= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) 0)} {9768#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|) 0))} #253#return; {9709#false} is VALID [2020-07-11 01:11:01,482 INFO L280 TraceCheckUtils]: 91: Hoare triple {9709#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {9709#false} is VALID [2020-07-11 01:11:01,482 INFO L280 TraceCheckUtils]: 92: Hoare triple {9709#false} assume ~k~0 + ~len~2 != #t~ret22; {9709#false} is VALID [2020-07-11 01:11:01,482 INFO L280 TraceCheckUtils]: 93: Hoare triple {9709#false} havoc #t~mem21.base, #t~mem21.offset; {9709#false} is VALID [2020-07-11 01:11:01,482 INFO L280 TraceCheckUtils]: 94: Hoare triple {9709#false} havoc #t~ret22; {9709#false} is VALID [2020-07-11 01:11:01,482 INFO L280 TraceCheckUtils]: 95: Hoare triple {9709#false} assume !false; {9709#false} is VALID [2020-07-11 01:11:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-11 01:11:01,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660977285] [2020-07-11 01:11:01,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:11:01,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-11 01:11:01,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782179357] [2020-07-11 01:11:01,506 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 96 [2020-07-11 01:11:01,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:11:01,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-11 01:11:01,629 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:01,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-11 01:11:01,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:11:01,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-11 01:11:01,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-07-11 01:11:01,631 INFO L87 Difference]: Start difference. First operand 183 states and 200 transitions. Second operand 18 states. [2020-07-11 01:11:07,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:07,674 INFO L93 Difference]: Finished difference Result 239 states and 263 transitions. [2020-07-11 01:11:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-11 01:11:07,674 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 96 [2020-07-11 01:11:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:11:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-11 01:11:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 207 transitions. [2020-07-11 01:11:07,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-11 01:11:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 207 transitions. [2020-07-11 01:11:07,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 207 transitions. [2020-07-11 01:11:08,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:08,028 INFO L225 Difference]: With dead ends: 239 [2020-07-11 01:11:08,029 INFO L226 Difference]: Without dead ends: 233 [2020-07-11 01:11:08,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=1021, Unknown=0, NotChecked=0, Total=1190 [2020-07-11 01:11:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-11 01:11:08,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 209. [2020-07-11 01:11:08,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:11:08,732 INFO L82 GeneralOperation]: Start isEquivalent. First operand 233 states. Second operand 209 states. [2020-07-11 01:11:08,732 INFO L74 IsIncluded]: Start isIncluded. First operand 233 states. Second operand 209 states. [2020-07-11 01:11:08,732 INFO L87 Difference]: Start difference. First operand 233 states. Second operand 209 states. [2020-07-11 01:11:08,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:08,739 INFO L93 Difference]: Finished difference Result 233 states and 257 transitions. [2020-07-11 01:11:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 257 transitions. [2020-07-11 01:11:08,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:08,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:08,741 INFO L74 IsIncluded]: Start isIncluded. First operand 209 states. Second operand 233 states. [2020-07-11 01:11:08,741 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 233 states. [2020-07-11 01:11:08,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:08,752 INFO L93 Difference]: Finished difference Result 233 states and 257 transitions. [2020-07-11 01:11:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 257 transitions. [2020-07-11 01:11:08,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:08,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:08,754 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:11:08,754 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:11:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-11 01:11:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 232 transitions. [2020-07-11 01:11:08,760 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 232 transitions. Word has length 96 [2020-07-11 01:11:08,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:11:08,760 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 232 transitions. [2020-07-11 01:11:08,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-11 01:11:08,760 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 209 states and 232 transitions. [2020-07-11 01:11:09,282 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 232 edges. 232 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 232 transitions. [2020-07-11 01:11:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-11 01:11:09,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:11:09,284 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:11:09,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 01:11:09,284 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:11:09,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:11:09,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1940597340, now seen corresponding path program 1 times [2020-07-11 01:11:09,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:11:09,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167847756] [2020-07-11 01:11:09,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:11:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:09,381 INFO L280 TraceCheckUtils]: 0: Hoare triple {11270#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {11196#true} is VALID [2020-07-11 01:11:09,381 INFO L280 TraceCheckUtils]: 1: Hoare triple {11196#true} #valid := #valid[0 := 0]; {11196#true} is VALID [2020-07-11 01:11:09,382 INFO L280 TraceCheckUtils]: 2: Hoare triple {11196#true} assume 0 < #StackHeapBarrier; {11196#true} is VALID [2020-07-11 01:11:09,382 INFO L280 TraceCheckUtils]: 3: Hoare triple {11196#true} assume true; {11196#true} is VALID [2020-07-11 01:11:09,382 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11196#true} {11196#true} #259#return; {11196#true} is VALID [2020-07-11 01:11:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:09,494 INFO L280 TraceCheckUtils]: 0: Hoare triple {11196#true} ~from := #in~from; {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:09,494 INFO L280 TraceCheckUtils]: 1: Hoare triple {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:09,495 INFO L280 TraceCheckUtils]: 2: Hoare triple {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,496 INFO L280 TraceCheckUtils]: 3: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,497 INFO L280 TraceCheckUtils]: 4: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,497 INFO L280 TraceCheckUtils]: 5: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,498 INFO L280 TraceCheckUtils]: 6: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,499 INFO L280 TraceCheckUtils]: 7: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,499 INFO L280 TraceCheckUtils]: 8: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,500 INFO L280 TraceCheckUtils]: 9: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,501 INFO L280 TraceCheckUtils]: 10: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {11273#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,502 INFO L280 TraceCheckUtils]: 11: Hoare triple {11273#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,503 INFO L280 TraceCheckUtils]: 12: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,503 INFO L280 TraceCheckUtils]: 13: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,504 INFO L280 TraceCheckUtils]: 14: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,504 INFO L280 TraceCheckUtils]: 15: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,505 INFO L280 TraceCheckUtils]: 16: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,506 INFO L280 TraceCheckUtils]: 17: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,506 INFO L280 TraceCheckUtils]: 18: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,507 INFO L280 TraceCheckUtils]: 19: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,508 INFO L280 TraceCheckUtils]: 20: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,508 INFO L280 TraceCheckUtils]: 21: Hoare triple {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,509 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {11196#true} #243#return; {11226#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:11:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:09,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {11276#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {11277#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:11:09,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {11277#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {11277#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:11:09,666 INFO L280 TraceCheckUtils]: 2: Hoare triple {11277#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {11278#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:11:09,666 INFO L280 TraceCheckUtils]: 3: Hoare triple {11278#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,668 INFO L280 TraceCheckUtils]: 5: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,669 INFO L280 TraceCheckUtils]: 6: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,669 INFO L280 TraceCheckUtils]: 7: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,670 INFO L280 TraceCheckUtils]: 8: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,670 INFO L280 TraceCheckUtils]: 9: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,671 INFO L280 TraceCheckUtils]: 10: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,672 INFO L280 TraceCheckUtils]: 11: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:11:09,673 INFO L280 TraceCheckUtils]: 12: Hoare triple {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:11:09,674 INFO L280 TraceCheckUtils]: 13: Hoare triple {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,674 INFO L280 TraceCheckUtils]: 14: Hoare triple {11281#(<= |sll_create_#in~len| 1)} havoc #t~post2; {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,675 INFO L280 TraceCheckUtils]: 15: Hoare triple {11281#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,676 INFO L280 TraceCheckUtils]: 16: Hoare triple {11281#(<= |sll_create_#in~len| 1)} assume true; {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,677 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {11281#(<= |sll_create_#in~len| 1)} {11227#(<= 3 main_~len~2)} #245#return; {11197#false} is VALID [2020-07-11 01:11:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:09,683 INFO L280 TraceCheckUtils]: 0: Hoare triple {11196#true} ~from := #in~from; {11196#true} is VALID [2020-07-11 01:11:09,683 INFO L280 TraceCheckUtils]: 1: Hoare triple {11196#true} ~until := #in~until; {11196#true} is VALID [2020-07-11 01:11:09,684 INFO L280 TraceCheckUtils]: 2: Hoare triple {11196#true} ~len~1 := ~from; {11196#true} is VALID [2020-07-11 01:11:09,684 INFO L280 TraceCheckUtils]: 3: Hoare triple {11196#true} #t~short12 := ~len~1 < ~until; {11196#true} is VALID [2020-07-11 01:11:09,684 INFO L280 TraceCheckUtils]: 4: Hoare triple {11196#true} assume !#t~short12; {11196#true} is VALID [2020-07-11 01:11:09,684 INFO L280 TraceCheckUtils]: 5: Hoare triple {11196#true} assume !#t~short12; {11196#true} is VALID [2020-07-11 01:11:09,684 INFO L280 TraceCheckUtils]: 6: Hoare triple {11196#true} havoc #t~nondet11; {11196#true} is VALID [2020-07-11 01:11:09,685 INFO L280 TraceCheckUtils]: 7: Hoare triple {11196#true} havoc #t~short12; {11196#true} is VALID [2020-07-11 01:11:09,685 INFO L280 TraceCheckUtils]: 8: Hoare triple {11196#true} #res := ~len~1; {11196#true} is VALID [2020-07-11 01:11:09,685 INFO L280 TraceCheckUtils]: 9: Hoare triple {11196#true} assume true; {11196#true} is VALID [2020-07-11 01:11:09,685 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {11196#true} {11197#false} #247#return; {11197#false} is VALID [2020-07-11 01:11:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:09,691 INFO L280 TraceCheckUtils]: 0: Hoare triple {11196#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {11196#true} is VALID [2020-07-11 01:11:09,691 INFO L280 TraceCheckUtils]: 1: Hoare triple {11196#true} ~len~0 := 0; {11196#true} is VALID [2020-07-11 01:11:09,692 INFO L280 TraceCheckUtils]: 2: Hoare triple {11196#true} assume !!(~head.base != 0 || ~head.offset != 0); {11196#true} is VALID [2020-07-11 01:11:09,692 INFO L280 TraceCheckUtils]: 3: Hoare triple {11196#true} #t~post4 := ~len~0; {11196#true} is VALID [2020-07-11 01:11:09,692 INFO L280 TraceCheckUtils]: 4: Hoare triple {11196#true} ~len~0 := 1 + #t~post4; {11196#true} is VALID [2020-07-11 01:11:09,692 INFO L280 TraceCheckUtils]: 5: Hoare triple {11196#true} havoc #t~post4; {11196#true} is VALID [2020-07-11 01:11:09,692 INFO L280 TraceCheckUtils]: 6: Hoare triple {11196#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {11196#true} is VALID [2020-07-11 01:11:09,692 INFO L280 TraceCheckUtils]: 7: Hoare triple {11196#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {11196#true} is VALID [2020-07-11 01:11:09,693 INFO L280 TraceCheckUtils]: 8: Hoare triple {11196#true} havoc #t~mem5.base, #t~mem5.offset; {11196#true} is VALID [2020-07-11 01:11:09,693 INFO L280 TraceCheckUtils]: 9: Hoare triple {11196#true} assume !(~head.base != 0 || ~head.offset != 0); {11196#true} is VALID [2020-07-11 01:11:09,693 INFO L280 TraceCheckUtils]: 10: Hoare triple {11196#true} #res := ~len~0; {11196#true} is VALID [2020-07-11 01:11:09,693 INFO L280 TraceCheckUtils]: 11: Hoare triple {11196#true} assume true; {11196#true} is VALID [2020-07-11 01:11:09,693 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {11196#true} {11197#false} #253#return; {11197#false} is VALID [2020-07-11 01:11:09,695 INFO L263 TraceCheckUtils]: 0: Hoare triple {11196#true} call ULTIMATE.init(); {11270#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:11:09,695 INFO L280 TraceCheckUtils]: 1: Hoare triple {11270#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {11196#true} is VALID [2020-07-11 01:11:09,695 INFO L280 TraceCheckUtils]: 2: Hoare triple {11196#true} #valid := #valid[0 := 0]; {11196#true} is VALID [2020-07-11 01:11:09,696 INFO L280 TraceCheckUtils]: 3: Hoare triple {11196#true} assume 0 < #StackHeapBarrier; {11196#true} is VALID [2020-07-11 01:11:09,696 INFO L280 TraceCheckUtils]: 4: Hoare triple {11196#true} assume true; {11196#true} is VALID [2020-07-11 01:11:09,696 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {11196#true} {11196#true} #259#return; {11196#true} is VALID [2020-07-11 01:11:09,696 INFO L263 TraceCheckUtils]: 6: Hoare triple {11196#true} call #t~ret24 := main(); {11196#true} is VALID [2020-07-11 01:11:09,696 INFO L263 TraceCheckUtils]: 7: Hoare triple {11196#true} call #t~ret14 := _get_nondet_int(2, 5); {11196#true} is VALID [2020-07-11 01:11:09,697 INFO L280 TraceCheckUtils]: 8: Hoare triple {11196#true} ~from := #in~from; {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:09,698 INFO L280 TraceCheckUtils]: 9: Hoare triple {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:09,699 INFO L280 TraceCheckUtils]: 10: Hoare triple {11271#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,700 INFO L280 TraceCheckUtils]: 11: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,700 INFO L280 TraceCheckUtils]: 12: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,701 INFO L280 TraceCheckUtils]: 13: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,701 INFO L280 TraceCheckUtils]: 14: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,702 INFO L280 TraceCheckUtils]: 15: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,703 INFO L280 TraceCheckUtils]: 16: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,703 INFO L280 TraceCheckUtils]: 17: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:09,704 INFO L280 TraceCheckUtils]: 18: Hoare triple {11272#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {11273#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,705 INFO L280 TraceCheckUtils]: 19: Hoare triple {11273#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,706 INFO L280 TraceCheckUtils]: 20: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,707 INFO L280 TraceCheckUtils]: 21: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,707 INFO L280 TraceCheckUtils]: 22: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,708 INFO L280 TraceCheckUtils]: 23: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,709 INFO L280 TraceCheckUtils]: 24: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,709 INFO L280 TraceCheckUtils]: 25: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,710 INFO L280 TraceCheckUtils]: 26: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,711 INFO L280 TraceCheckUtils]: 27: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,712 INFO L280 TraceCheckUtils]: 28: Hoare triple {11274#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,712 INFO L280 TraceCheckUtils]: 29: Hoare triple {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:09,713 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {11275#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {11196#true} #243#return; {11226#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:11:09,714 INFO L280 TraceCheckUtils]: 31: Hoare triple {11226#(<= 3 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {11226#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:11:09,715 INFO L280 TraceCheckUtils]: 32: Hoare triple {11226#(<= 3 |main_#t~ret14|)} ~len~2 := #t~ret14; {11227#(<= 3 main_~len~2)} is VALID [2020-07-11 01:11:09,716 INFO L280 TraceCheckUtils]: 33: Hoare triple {11227#(<= 3 main_~len~2)} havoc #t~ret14; {11227#(<= 3 main_~len~2)} is VALID [2020-07-11 01:11:09,716 INFO L280 TraceCheckUtils]: 34: Hoare triple {11227#(<= 3 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {11227#(<= 3 main_~len~2)} is VALID [2020-07-11 01:11:09,718 INFO L263 TraceCheckUtils]: 35: Hoare triple {11227#(<= 3 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {11276#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:11:09,718 INFO L280 TraceCheckUtils]: 36: Hoare triple {11276#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {11277#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:11:09,719 INFO L280 TraceCheckUtils]: 37: Hoare triple {11277#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {11277#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:11:09,719 INFO L280 TraceCheckUtils]: 38: Hoare triple {11277#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {11278#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:11:09,720 INFO L280 TraceCheckUtils]: 39: Hoare triple {11278#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,721 INFO L280 TraceCheckUtils]: 40: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,721 INFO L280 TraceCheckUtils]: 41: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,722 INFO L280 TraceCheckUtils]: 42: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,723 INFO L280 TraceCheckUtils]: 43: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,723 INFO L280 TraceCheckUtils]: 44: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,724 INFO L280 TraceCheckUtils]: 45: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,724 INFO L280 TraceCheckUtils]: 46: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:11:09,725 INFO L280 TraceCheckUtils]: 47: Hoare triple {11279#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:11:09,726 INFO L280 TraceCheckUtils]: 48: Hoare triple {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:11:09,727 INFO L280 TraceCheckUtils]: 49: Hoare triple {11280#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,727 INFO L280 TraceCheckUtils]: 50: Hoare triple {11281#(<= |sll_create_#in~len| 1)} havoc #t~post2; {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,728 INFO L280 TraceCheckUtils]: 51: Hoare triple {11281#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,728 INFO L280 TraceCheckUtils]: 52: Hoare triple {11281#(<= |sll_create_#in~len| 1)} assume true; {11281#(<= |sll_create_#in~len| 1)} is VALID [2020-07-11 01:11:09,730 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {11281#(<= |sll_create_#in~len| 1)} {11227#(<= 3 main_~len~2)} #245#return; {11197#false} is VALID [2020-07-11 01:11:09,730 INFO L280 TraceCheckUtils]: 54: Hoare triple {11197#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {11197#false} is VALID [2020-07-11 01:11:09,730 INFO L280 TraceCheckUtils]: 55: Hoare triple {11197#false} havoc #t~ret15.base, #t~ret15.offset; {11197#false} is VALID [2020-07-11 01:11:09,730 INFO L263 TraceCheckUtils]: 56: Hoare triple {11197#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {11196#true} is VALID [2020-07-11 01:11:09,731 INFO L280 TraceCheckUtils]: 57: Hoare triple {11196#true} ~from := #in~from; {11196#true} is VALID [2020-07-11 01:11:09,731 INFO L280 TraceCheckUtils]: 58: Hoare triple {11196#true} ~until := #in~until; {11196#true} is VALID [2020-07-11 01:11:09,731 INFO L280 TraceCheckUtils]: 59: Hoare triple {11196#true} ~len~1 := ~from; {11196#true} is VALID [2020-07-11 01:11:09,731 INFO L280 TraceCheckUtils]: 60: Hoare triple {11196#true} #t~short12 := ~len~1 < ~until; {11196#true} is VALID [2020-07-11 01:11:09,731 INFO L280 TraceCheckUtils]: 61: Hoare triple {11196#true} assume !#t~short12; {11196#true} is VALID [2020-07-11 01:11:09,732 INFO L280 TraceCheckUtils]: 62: Hoare triple {11196#true} assume !#t~short12; {11196#true} is VALID [2020-07-11 01:11:09,732 INFO L280 TraceCheckUtils]: 63: Hoare triple {11196#true} havoc #t~nondet11; {11196#true} is VALID [2020-07-11 01:11:09,732 INFO L280 TraceCheckUtils]: 64: Hoare triple {11196#true} havoc #t~short12; {11196#true} is VALID [2020-07-11 01:11:09,732 INFO L280 TraceCheckUtils]: 65: Hoare triple {11196#true} #res := ~len~1; {11196#true} is VALID [2020-07-11 01:11:09,732 INFO L280 TraceCheckUtils]: 66: Hoare triple {11196#true} assume true; {11196#true} is VALID [2020-07-11 01:11:09,732 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {11196#true} {11197#false} #247#return; {11197#false} is VALID [2020-07-11 01:11:09,733 INFO L280 TraceCheckUtils]: 68: Hoare triple {11197#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {11197#false} is VALID [2020-07-11 01:11:09,733 INFO L280 TraceCheckUtils]: 69: Hoare triple {11197#false} ~k~0 := #t~ret16; {11197#false} is VALID [2020-07-11 01:11:09,733 INFO L280 TraceCheckUtils]: 70: Hoare triple {11197#false} havoc #t~ret16; {11197#false} is VALID [2020-07-11 01:11:09,733 INFO L280 TraceCheckUtils]: 71: Hoare triple {11197#false} ~i~0 := 0; {11197#false} is VALID [2020-07-11 01:11:09,733 INFO L280 TraceCheckUtils]: 72: Hoare triple {11197#false} #t~short18 := ~i~0 < ~k~0; {11197#false} is VALID [2020-07-11 01:11:09,734 INFO L280 TraceCheckUtils]: 73: Hoare triple {11197#false} assume !#t~short18; {11197#false} is VALID [2020-07-11 01:11:09,734 INFO L280 TraceCheckUtils]: 74: Hoare triple {11197#false} assume !#t~short18; {11197#false} is VALID [2020-07-11 01:11:09,734 INFO L280 TraceCheckUtils]: 75: Hoare triple {11197#false} havoc #t~nondet17; {11197#false} is VALID [2020-07-11 01:11:09,734 INFO L280 TraceCheckUtils]: 76: Hoare triple {11197#false} havoc #t~short18; {11197#false} is VALID [2020-07-11 01:11:09,734 INFO L280 TraceCheckUtils]: 77: Hoare triple {11197#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {11197#false} is VALID [2020-07-11 01:11:09,735 INFO L263 TraceCheckUtils]: 78: Hoare triple {11197#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {11196#true} is VALID [2020-07-11 01:11:09,735 INFO L280 TraceCheckUtils]: 79: Hoare triple {11196#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {11196#true} is VALID [2020-07-11 01:11:09,735 INFO L280 TraceCheckUtils]: 80: Hoare triple {11196#true} ~len~0 := 0; {11196#true} is VALID [2020-07-11 01:11:09,735 INFO L280 TraceCheckUtils]: 81: Hoare triple {11196#true} assume !!(~head.base != 0 || ~head.offset != 0); {11196#true} is VALID [2020-07-11 01:11:09,735 INFO L280 TraceCheckUtils]: 82: Hoare triple {11196#true} #t~post4 := ~len~0; {11196#true} is VALID [2020-07-11 01:11:09,736 INFO L280 TraceCheckUtils]: 83: Hoare triple {11196#true} ~len~0 := 1 + #t~post4; {11196#true} is VALID [2020-07-11 01:11:09,736 INFO L280 TraceCheckUtils]: 84: Hoare triple {11196#true} havoc #t~post4; {11196#true} is VALID [2020-07-11 01:11:09,736 INFO L280 TraceCheckUtils]: 85: Hoare triple {11196#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {11196#true} is VALID [2020-07-11 01:11:09,736 INFO L280 TraceCheckUtils]: 86: Hoare triple {11196#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {11196#true} is VALID [2020-07-11 01:11:09,736 INFO L280 TraceCheckUtils]: 87: Hoare triple {11196#true} havoc #t~mem5.base, #t~mem5.offset; {11196#true} is VALID [2020-07-11 01:11:09,736 INFO L280 TraceCheckUtils]: 88: Hoare triple {11196#true} assume !(~head.base != 0 || ~head.offset != 0); {11196#true} is VALID [2020-07-11 01:11:09,737 INFO L280 TraceCheckUtils]: 89: Hoare triple {11196#true} #res := ~len~0; {11196#true} is VALID [2020-07-11 01:11:09,737 INFO L280 TraceCheckUtils]: 90: Hoare triple {11196#true} assume true; {11196#true} is VALID [2020-07-11 01:11:09,737 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {11196#true} {11197#false} #253#return; {11197#false} is VALID [2020-07-11 01:11:09,737 INFO L280 TraceCheckUtils]: 92: Hoare triple {11197#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {11197#false} is VALID [2020-07-11 01:11:09,738 INFO L280 TraceCheckUtils]: 93: Hoare triple {11197#false} assume ~k~0 + ~len~2 != #t~ret22; {11197#false} is VALID [2020-07-11 01:11:09,738 INFO L280 TraceCheckUtils]: 94: Hoare triple {11197#false} havoc #t~mem21.base, #t~mem21.offset; {11197#false} is VALID [2020-07-11 01:11:09,738 INFO L280 TraceCheckUtils]: 95: Hoare triple {11197#false} havoc #t~ret22; {11197#false} is VALID [2020-07-11 01:11:09,738 INFO L280 TraceCheckUtils]: 96: Hoare triple {11197#false} assume !false; {11197#false} is VALID [2020-07-11 01:11:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-11 01:11:09,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167847756] [2020-07-11 01:11:09,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:11:09,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-07-11 01:11:09,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430440872] [2020-07-11 01:11:09,760 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 97 [2020-07-11 01:11:09,761 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:11:09,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-11 01:11:09,871 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:09,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-11 01:11:09,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:11:09,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-11 01:11:09,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-07-11 01:11:09,872 INFO L87 Difference]: Start difference. First operand 209 states and 232 transitions. Second operand 16 states. [2020-07-11 01:11:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:16,983 INFO L93 Difference]: Finished difference Result 358 states and 404 transitions. [2020-07-11 01:11:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-11 01:11:16,983 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 97 [2020-07-11 01:11:16,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:11:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-11 01:11:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 329 transitions. [2020-07-11 01:11:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-11 01:11:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 329 transitions. [2020-07-11 01:11:16,992 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 329 transitions. [2020-07-11 01:11:17,593 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 329 edges. 329 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:17,601 INFO L225 Difference]: With dead ends: 358 [2020-07-11 01:11:17,602 INFO L226 Difference]: Without dead ends: 245 [2020-07-11 01:11:17,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=1003, Unknown=0, NotChecked=0, Total=1190 [2020-07-11 01:11:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-07-11 01:11:18,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 176. [2020-07-11 01:11:18,177 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:11:18,177 INFO L82 GeneralOperation]: Start isEquivalent. First operand 245 states. Second operand 176 states. [2020-07-11 01:11:18,177 INFO L74 IsIncluded]: Start isIncluded. First operand 245 states. Second operand 176 states. [2020-07-11 01:11:18,177 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 176 states. [2020-07-11 01:11:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:18,186 INFO L93 Difference]: Finished difference Result 245 states and 277 transitions. [2020-07-11 01:11:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2020-07-11 01:11:18,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:18,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:18,188 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 245 states. [2020-07-11 01:11:18,188 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 245 states. [2020-07-11 01:11:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:18,197 INFO L93 Difference]: Finished difference Result 245 states and 277 transitions. [2020-07-11 01:11:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2020-07-11 01:11:18,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:18,199 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:18,199 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:11:18,199 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:11:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-11 01:11:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 192 transitions. [2020-07-11 01:11:18,203 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 192 transitions. Word has length 97 [2020-07-11 01:11:18,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:11:18,204 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 192 transitions. [2020-07-11 01:11:18,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-11 01:11:18,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 176 states and 192 transitions. [2020-07-11 01:11:18,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 192 transitions. [2020-07-11 01:11:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-11 01:11:18,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:11:18,677 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:11:18,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 01:11:18,678 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:11:18,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:11:18,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1056708542, now seen corresponding path program 2 times [2020-07-11 01:11:18,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:11:18,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913080115] [2020-07-11 01:11:18,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:11:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:18,774 INFO L280 TraceCheckUtils]: 0: Hoare triple {12967#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {12887#true} is VALID [2020-07-11 01:11:18,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {12887#true} #valid := #valid[0 := 0]; {12887#true} is VALID [2020-07-11 01:11:18,775 INFO L280 TraceCheckUtils]: 2: Hoare triple {12887#true} assume 0 < #StackHeapBarrier; {12887#true} is VALID [2020-07-11 01:11:18,775 INFO L280 TraceCheckUtils]: 3: Hoare triple {12887#true} assume true; {12887#true} is VALID [2020-07-11 01:11:18,775 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12887#true} {12887#true} #259#return; {12887#true} is VALID [2020-07-11 01:11:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:18,844 INFO L280 TraceCheckUtils]: 0: Hoare triple {12887#true} ~from := #in~from; {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:18,844 INFO L280 TraceCheckUtils]: 1: Hoare triple {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:18,845 INFO L280 TraceCheckUtils]: 2: Hoare triple {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,846 INFO L280 TraceCheckUtils]: 3: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,846 INFO L280 TraceCheckUtils]: 4: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,847 INFO L280 TraceCheckUtils]: 5: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,847 INFO L280 TraceCheckUtils]: 6: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,848 INFO L280 TraceCheckUtils]: 7: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,849 INFO L280 TraceCheckUtils]: 8: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,849 INFO L280 TraceCheckUtils]: 9: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:18,850 INFO L280 TraceCheckUtils]: 10: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:18,851 INFO L280 TraceCheckUtils]: 11: Hoare triple {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:18,852 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {12887#true} #243#return; {12907#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:11:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:18,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {12971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {12887#true} is VALID [2020-07-11 01:11:18,884 INFO L280 TraceCheckUtils]: 1: Hoare triple {12887#true} ~head~0.base, ~head~0.offset := 0, 0; {12887#true} is VALID [2020-07-11 01:11:18,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {12887#true} #t~post2 := ~len; {12887#true} is VALID [2020-07-11 01:11:18,885 INFO L280 TraceCheckUtils]: 3: Hoare triple {12887#true} ~len := #t~post2 - 1; {12887#true} is VALID [2020-07-11 01:11:18,885 INFO L280 TraceCheckUtils]: 4: Hoare triple {12887#true} assume !!(#t~post2 > 0); {12887#true} is VALID [2020-07-11 01:11:18,885 INFO L280 TraceCheckUtils]: 5: Hoare triple {12887#true} havoc #t~post2; {12887#true} is VALID [2020-07-11 01:11:18,885 INFO L280 TraceCheckUtils]: 6: Hoare triple {12887#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {12887#true} is VALID [2020-07-11 01:11:18,885 INFO L280 TraceCheckUtils]: 7: Hoare triple {12887#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {12887#true} is VALID [2020-07-11 01:11:18,886 INFO L280 TraceCheckUtils]: 8: Hoare triple {12887#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {12887#true} is VALID [2020-07-11 01:11:18,886 INFO L280 TraceCheckUtils]: 9: Hoare triple {12887#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {12887#true} is VALID [2020-07-11 01:11:18,886 INFO L280 TraceCheckUtils]: 10: Hoare triple {12887#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {12887#true} is VALID [2020-07-11 01:11:18,886 INFO L280 TraceCheckUtils]: 11: Hoare triple {12887#true} #t~post2 := ~len; {12887#true} is VALID [2020-07-11 01:11:18,886 INFO L280 TraceCheckUtils]: 12: Hoare triple {12887#true} ~len := #t~post2 - 1; {12887#true} is VALID [2020-07-11 01:11:18,886 INFO L280 TraceCheckUtils]: 13: Hoare triple {12887#true} assume !!(#t~post2 > 0); {12887#true} is VALID [2020-07-11 01:11:18,887 INFO L280 TraceCheckUtils]: 14: Hoare triple {12887#true} havoc #t~post2; {12887#true} is VALID [2020-07-11 01:11:18,887 INFO L280 TraceCheckUtils]: 15: Hoare triple {12887#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {12887#true} is VALID [2020-07-11 01:11:18,887 INFO L280 TraceCheckUtils]: 16: Hoare triple {12887#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {12887#true} is VALID [2020-07-11 01:11:18,887 INFO L280 TraceCheckUtils]: 17: Hoare triple {12887#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {12887#true} is VALID [2020-07-11 01:11:18,887 INFO L280 TraceCheckUtils]: 18: Hoare triple {12887#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {12887#true} is VALID [2020-07-11 01:11:18,888 INFO L280 TraceCheckUtils]: 19: Hoare triple {12887#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {12887#true} is VALID [2020-07-11 01:11:18,888 INFO L280 TraceCheckUtils]: 20: Hoare triple {12887#true} #t~post2 := ~len; {12887#true} is VALID [2020-07-11 01:11:18,888 INFO L280 TraceCheckUtils]: 21: Hoare triple {12887#true} ~len := #t~post2 - 1; {12887#true} is VALID [2020-07-11 01:11:18,888 INFO L280 TraceCheckUtils]: 22: Hoare triple {12887#true} assume !(#t~post2 > 0); {12887#true} is VALID [2020-07-11 01:11:18,888 INFO L280 TraceCheckUtils]: 23: Hoare triple {12887#true} havoc #t~post2; {12887#true} is VALID [2020-07-11 01:11:18,889 INFO L280 TraceCheckUtils]: 24: Hoare triple {12887#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {12887#true} is VALID [2020-07-11 01:11:18,889 INFO L280 TraceCheckUtils]: 25: Hoare triple {12887#true} assume true; {12887#true} is VALID [2020-07-11 01:11:18,890 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {12887#true} {12908#(<= 2 main_~len~2)} #245#return; {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:19,027 INFO L280 TraceCheckUtils]: 0: Hoare triple {12887#true} ~from := #in~from; {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:19,028 INFO L280 TraceCheckUtils]: 1: Hoare triple {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {12972#(and (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-11 01:11:19,029 INFO L280 TraceCheckUtils]: 2: Hoare triple {12972#(and (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {12973#(and (or (not (= 0 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|)) (or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1)))} is VALID [2020-07-11 01:11:19,032 INFO L280 TraceCheckUtils]: 3: Hoare triple {12973#(and (or (not (= 0 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|)) (or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1)))} #t~short12 := ~len~1 < ~until; {12974#(or (<= |_get_nondet_int_#in~until| 0) |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,033 INFO L280 TraceCheckUtils]: 4: Hoare triple {12974#(or (<= |_get_nondet_int_#in~until| 0) |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)))} assume !#t~short12; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,033 INFO L280 TraceCheckUtils]: 5: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} assume !#t~short12; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,034 INFO L280 TraceCheckUtils]: 6: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,039 INFO L280 TraceCheckUtils]: 7: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} havoc #t~short12; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,039 INFO L280 TraceCheckUtils]: 8: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} #res := ~len~1; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,040 INFO L280 TraceCheckUtils]: 9: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} assume true; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,041 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} {12908#(<= 2 main_~len~2)} #247#return; {12888#false} is VALID [2020-07-11 01:11:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:19,048 INFO L280 TraceCheckUtils]: 0: Hoare triple {12887#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {12887#true} is VALID [2020-07-11 01:11:19,049 INFO L280 TraceCheckUtils]: 1: Hoare triple {12887#true} ~len~0 := 0; {12887#true} is VALID [2020-07-11 01:11:19,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {12887#true} assume !!(~head.base != 0 || ~head.offset != 0); {12887#true} is VALID [2020-07-11 01:11:19,049 INFO L280 TraceCheckUtils]: 3: Hoare triple {12887#true} #t~post4 := ~len~0; {12887#true} is VALID [2020-07-11 01:11:19,049 INFO L280 TraceCheckUtils]: 4: Hoare triple {12887#true} ~len~0 := 1 + #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,050 INFO L280 TraceCheckUtils]: 5: Hoare triple {12887#true} havoc #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,050 INFO L280 TraceCheckUtils]: 6: Hoare triple {12887#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {12887#true} is VALID [2020-07-11 01:11:19,050 INFO L280 TraceCheckUtils]: 7: Hoare triple {12887#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,050 INFO L280 TraceCheckUtils]: 8: Hoare triple {12887#true} havoc #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,050 INFO L280 TraceCheckUtils]: 9: Hoare triple {12887#true} assume !!(~head.base != 0 || ~head.offset != 0); {12887#true} is VALID [2020-07-11 01:11:19,050 INFO L280 TraceCheckUtils]: 10: Hoare triple {12887#true} #t~post4 := ~len~0; {12887#true} is VALID [2020-07-11 01:11:19,051 INFO L280 TraceCheckUtils]: 11: Hoare triple {12887#true} ~len~0 := 1 + #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,051 INFO L280 TraceCheckUtils]: 12: Hoare triple {12887#true} havoc #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,051 INFO L280 TraceCheckUtils]: 13: Hoare triple {12887#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {12887#true} is VALID [2020-07-11 01:11:19,051 INFO L280 TraceCheckUtils]: 14: Hoare triple {12887#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,051 INFO L280 TraceCheckUtils]: 15: Hoare triple {12887#true} havoc #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,052 INFO L280 TraceCheckUtils]: 16: Hoare triple {12887#true} assume !(~head.base != 0 || ~head.offset != 0); {12887#true} is VALID [2020-07-11 01:11:19,052 INFO L280 TraceCheckUtils]: 17: Hoare triple {12887#true} #res := ~len~0; {12887#true} is VALID [2020-07-11 01:11:19,052 INFO L280 TraceCheckUtils]: 18: Hoare triple {12887#true} assume true; {12887#true} is VALID [2020-07-11 01:11:19,052 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {12887#true} {12888#false} #253#return; {12888#false} is VALID [2020-07-11 01:11:19,053 INFO L263 TraceCheckUtils]: 0: Hoare triple {12887#true} call ULTIMATE.init(); {12967#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:11:19,054 INFO L280 TraceCheckUtils]: 1: Hoare triple {12967#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {12887#true} is VALID [2020-07-11 01:11:19,054 INFO L280 TraceCheckUtils]: 2: Hoare triple {12887#true} #valid := #valid[0 := 0]; {12887#true} is VALID [2020-07-11 01:11:19,054 INFO L280 TraceCheckUtils]: 3: Hoare triple {12887#true} assume 0 < #StackHeapBarrier; {12887#true} is VALID [2020-07-11 01:11:19,054 INFO L280 TraceCheckUtils]: 4: Hoare triple {12887#true} assume true; {12887#true} is VALID [2020-07-11 01:11:19,054 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {12887#true} {12887#true} #259#return; {12887#true} is VALID [2020-07-11 01:11:19,055 INFO L263 TraceCheckUtils]: 6: Hoare triple {12887#true} call #t~ret24 := main(); {12887#true} is VALID [2020-07-11 01:11:19,055 INFO L263 TraceCheckUtils]: 7: Hoare triple {12887#true} call #t~ret14 := _get_nondet_int(2, 5); {12887#true} is VALID [2020-07-11 01:11:19,056 INFO L280 TraceCheckUtils]: 8: Hoare triple {12887#true} ~from := #in~from; {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:19,056 INFO L280 TraceCheckUtils]: 9: Hoare triple {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:19,057 INFO L280 TraceCheckUtils]: 10: Hoare triple {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,058 INFO L280 TraceCheckUtils]: 12: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,059 INFO L280 TraceCheckUtils]: 13: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,060 INFO L280 TraceCheckUtils]: 14: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,062 INFO L280 TraceCheckUtils]: 15: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,062 INFO L280 TraceCheckUtils]: 16: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,063 INFO L280 TraceCheckUtils]: 17: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:19,064 INFO L280 TraceCheckUtils]: 18: Hoare triple {12969#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,064 INFO L280 TraceCheckUtils]: 19: Hoare triple {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,065 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {12970#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {12887#true} #243#return; {12907#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:11:19,066 INFO L280 TraceCheckUtils]: 21: Hoare triple {12907#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {12907#(<= 2 |main_#t~ret14|)} is VALID [2020-07-11 01:11:19,067 INFO L280 TraceCheckUtils]: 22: Hoare triple {12907#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:19,067 INFO L280 TraceCheckUtils]: 23: Hoare triple {12908#(<= 2 main_~len~2)} havoc #t~ret14; {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:19,068 INFO L280 TraceCheckUtils]: 24: Hoare triple {12908#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:19,069 INFO L263 TraceCheckUtils]: 25: Hoare triple {12908#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {12971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:11:19,069 INFO L280 TraceCheckUtils]: 26: Hoare triple {12971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {12887#true} is VALID [2020-07-11 01:11:19,069 INFO L280 TraceCheckUtils]: 27: Hoare triple {12887#true} ~head~0.base, ~head~0.offset := 0, 0; {12887#true} is VALID [2020-07-11 01:11:19,069 INFO L280 TraceCheckUtils]: 28: Hoare triple {12887#true} #t~post2 := ~len; {12887#true} is VALID [2020-07-11 01:11:19,070 INFO L280 TraceCheckUtils]: 29: Hoare triple {12887#true} ~len := #t~post2 - 1; {12887#true} is VALID [2020-07-11 01:11:19,070 INFO L280 TraceCheckUtils]: 30: Hoare triple {12887#true} assume !!(#t~post2 > 0); {12887#true} is VALID [2020-07-11 01:11:19,070 INFO L280 TraceCheckUtils]: 31: Hoare triple {12887#true} havoc #t~post2; {12887#true} is VALID [2020-07-11 01:11:19,070 INFO L280 TraceCheckUtils]: 32: Hoare triple {12887#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {12887#true} is VALID [2020-07-11 01:11:19,070 INFO L280 TraceCheckUtils]: 33: Hoare triple {12887#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {12887#true} is VALID [2020-07-11 01:11:19,071 INFO L280 TraceCheckUtils]: 34: Hoare triple {12887#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {12887#true} is VALID [2020-07-11 01:11:19,071 INFO L280 TraceCheckUtils]: 35: Hoare triple {12887#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {12887#true} is VALID [2020-07-11 01:11:19,071 INFO L280 TraceCheckUtils]: 36: Hoare triple {12887#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {12887#true} is VALID [2020-07-11 01:11:19,071 INFO L280 TraceCheckUtils]: 37: Hoare triple {12887#true} #t~post2 := ~len; {12887#true} is VALID [2020-07-11 01:11:19,071 INFO L280 TraceCheckUtils]: 38: Hoare triple {12887#true} ~len := #t~post2 - 1; {12887#true} is VALID [2020-07-11 01:11:19,071 INFO L280 TraceCheckUtils]: 39: Hoare triple {12887#true} assume !!(#t~post2 > 0); {12887#true} is VALID [2020-07-11 01:11:19,072 INFO L280 TraceCheckUtils]: 40: Hoare triple {12887#true} havoc #t~post2; {12887#true} is VALID [2020-07-11 01:11:19,072 INFO L280 TraceCheckUtils]: 41: Hoare triple {12887#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {12887#true} is VALID [2020-07-11 01:11:19,072 INFO L280 TraceCheckUtils]: 42: Hoare triple {12887#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {12887#true} is VALID [2020-07-11 01:11:19,072 INFO L280 TraceCheckUtils]: 43: Hoare triple {12887#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {12887#true} is VALID [2020-07-11 01:11:19,072 INFO L280 TraceCheckUtils]: 44: Hoare triple {12887#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {12887#true} is VALID [2020-07-11 01:11:19,072 INFO L280 TraceCheckUtils]: 45: Hoare triple {12887#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {12887#true} is VALID [2020-07-11 01:11:19,073 INFO L280 TraceCheckUtils]: 46: Hoare triple {12887#true} #t~post2 := ~len; {12887#true} is VALID [2020-07-11 01:11:19,073 INFO L280 TraceCheckUtils]: 47: Hoare triple {12887#true} ~len := #t~post2 - 1; {12887#true} is VALID [2020-07-11 01:11:19,073 INFO L280 TraceCheckUtils]: 48: Hoare triple {12887#true} assume !(#t~post2 > 0); {12887#true} is VALID [2020-07-11 01:11:19,073 INFO L280 TraceCheckUtils]: 49: Hoare triple {12887#true} havoc #t~post2; {12887#true} is VALID [2020-07-11 01:11:19,073 INFO L280 TraceCheckUtils]: 50: Hoare triple {12887#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {12887#true} is VALID [2020-07-11 01:11:19,074 INFO L280 TraceCheckUtils]: 51: Hoare triple {12887#true} assume true; {12887#true} is VALID [2020-07-11 01:11:19,075 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {12887#true} {12908#(<= 2 main_~len~2)} #245#return; {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:19,075 INFO L280 TraceCheckUtils]: 53: Hoare triple {12908#(<= 2 main_~len~2)} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:19,076 INFO L280 TraceCheckUtils]: 54: Hoare triple {12908#(<= 2 main_~len~2)} havoc #t~ret15.base, #t~ret15.offset; {12908#(<= 2 main_~len~2)} is VALID [2020-07-11 01:11:19,076 INFO L263 TraceCheckUtils]: 55: Hoare triple {12908#(<= 2 main_~len~2)} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {12887#true} is VALID [2020-07-11 01:11:19,077 INFO L280 TraceCheckUtils]: 56: Hoare triple {12887#true} ~from := #in~from; {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:19,077 INFO L280 TraceCheckUtils]: 57: Hoare triple {12968#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {12972#(and (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-11 01:11:19,078 INFO L280 TraceCheckUtils]: 58: Hoare triple {12972#(and (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {12973#(and (or (not (= 0 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|)) (or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1)))} is VALID [2020-07-11 01:11:19,079 INFO L280 TraceCheckUtils]: 59: Hoare triple {12973#(and (or (not (= 0 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|)) (or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1)))} #t~short12 := ~len~1 < ~until; {12974#(or (<= |_get_nondet_int_#in~until| 0) |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,080 INFO L280 TraceCheckUtils]: 60: Hoare triple {12974#(or (<= |_get_nondet_int_#in~until| 0) |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)))} assume !#t~short12; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,080 INFO L280 TraceCheckUtils]: 61: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} assume !#t~short12; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,081 INFO L280 TraceCheckUtils]: 62: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,082 INFO L280 TraceCheckUtils]: 63: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} havoc #t~short12; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,082 INFO L280 TraceCheckUtils]: 64: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} #res := ~len~1; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,083 INFO L280 TraceCheckUtils]: 65: Hoare triple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} assume true; {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:19,084 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {12975#(or (<= |_get_nondet_int_#in~until| 0) (not (= 0 |_get_nondet_int_#in~from|)))} {12908#(<= 2 main_~len~2)} #247#return; {12888#false} is VALID [2020-07-11 01:11:19,084 INFO L280 TraceCheckUtils]: 67: Hoare triple {12888#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {12888#false} is VALID [2020-07-11 01:11:19,084 INFO L280 TraceCheckUtils]: 68: Hoare triple {12888#false} ~k~0 := #t~ret16; {12888#false} is VALID [2020-07-11 01:11:19,085 INFO L280 TraceCheckUtils]: 69: Hoare triple {12888#false} havoc #t~ret16; {12888#false} is VALID [2020-07-11 01:11:19,085 INFO L280 TraceCheckUtils]: 70: Hoare triple {12888#false} ~i~0 := 0; {12888#false} is VALID [2020-07-11 01:11:19,085 INFO L280 TraceCheckUtils]: 71: Hoare triple {12888#false} #t~short18 := ~i~0 < ~k~0; {12888#false} is VALID [2020-07-11 01:11:19,085 INFO L280 TraceCheckUtils]: 72: Hoare triple {12888#false} assume !#t~short18; {12888#false} is VALID [2020-07-11 01:11:19,085 INFO L280 TraceCheckUtils]: 73: Hoare triple {12888#false} assume !#t~short18; {12888#false} is VALID [2020-07-11 01:11:19,085 INFO L280 TraceCheckUtils]: 74: Hoare triple {12888#false} havoc #t~nondet17; {12888#false} is VALID [2020-07-11 01:11:19,086 INFO L280 TraceCheckUtils]: 75: Hoare triple {12888#false} havoc #t~short18; {12888#false} is VALID [2020-07-11 01:11:19,086 INFO L280 TraceCheckUtils]: 76: Hoare triple {12888#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {12888#false} is VALID [2020-07-11 01:11:19,086 INFO L263 TraceCheckUtils]: 77: Hoare triple {12888#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {12887#true} is VALID [2020-07-11 01:11:19,086 INFO L280 TraceCheckUtils]: 78: Hoare triple {12887#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {12887#true} is VALID [2020-07-11 01:11:19,086 INFO L280 TraceCheckUtils]: 79: Hoare triple {12887#true} ~len~0 := 0; {12887#true} is VALID [2020-07-11 01:11:19,087 INFO L280 TraceCheckUtils]: 80: Hoare triple {12887#true} assume !!(~head.base != 0 || ~head.offset != 0); {12887#true} is VALID [2020-07-11 01:11:19,087 INFO L280 TraceCheckUtils]: 81: Hoare triple {12887#true} #t~post4 := ~len~0; {12887#true} is VALID [2020-07-11 01:11:19,087 INFO L280 TraceCheckUtils]: 82: Hoare triple {12887#true} ~len~0 := 1 + #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,087 INFO L280 TraceCheckUtils]: 83: Hoare triple {12887#true} havoc #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,087 INFO L280 TraceCheckUtils]: 84: Hoare triple {12887#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {12887#true} is VALID [2020-07-11 01:11:19,087 INFO L280 TraceCheckUtils]: 85: Hoare triple {12887#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,088 INFO L280 TraceCheckUtils]: 86: Hoare triple {12887#true} havoc #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,088 INFO L280 TraceCheckUtils]: 87: Hoare triple {12887#true} assume !!(~head.base != 0 || ~head.offset != 0); {12887#true} is VALID [2020-07-11 01:11:19,088 INFO L280 TraceCheckUtils]: 88: Hoare triple {12887#true} #t~post4 := ~len~0; {12887#true} is VALID [2020-07-11 01:11:19,088 INFO L280 TraceCheckUtils]: 89: Hoare triple {12887#true} ~len~0 := 1 + #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,088 INFO L280 TraceCheckUtils]: 90: Hoare triple {12887#true} havoc #t~post4; {12887#true} is VALID [2020-07-11 01:11:19,089 INFO L280 TraceCheckUtils]: 91: Hoare triple {12887#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {12887#true} is VALID [2020-07-11 01:11:19,089 INFO L280 TraceCheckUtils]: 92: Hoare triple {12887#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,089 INFO L280 TraceCheckUtils]: 93: Hoare triple {12887#true} havoc #t~mem5.base, #t~mem5.offset; {12887#true} is VALID [2020-07-11 01:11:19,089 INFO L280 TraceCheckUtils]: 94: Hoare triple {12887#true} assume !(~head.base != 0 || ~head.offset != 0); {12887#true} is VALID [2020-07-11 01:11:19,089 INFO L280 TraceCheckUtils]: 95: Hoare triple {12887#true} #res := ~len~0; {12887#true} is VALID [2020-07-11 01:11:19,089 INFO L280 TraceCheckUtils]: 96: Hoare triple {12887#true} assume true; {12887#true} is VALID [2020-07-11 01:11:19,090 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {12887#true} {12888#false} #253#return; {12888#false} is VALID [2020-07-11 01:11:19,090 INFO L280 TraceCheckUtils]: 98: Hoare triple {12888#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {12888#false} is VALID [2020-07-11 01:11:19,090 INFO L280 TraceCheckUtils]: 99: Hoare triple {12888#false} assume ~k~0 + ~len~2 != #t~ret22; {12888#false} is VALID [2020-07-11 01:11:19,090 INFO L280 TraceCheckUtils]: 100: Hoare triple {12888#false} havoc #t~mem21.base, #t~mem21.offset; {12888#false} is VALID [2020-07-11 01:11:19,090 INFO L280 TraceCheckUtils]: 101: Hoare triple {12888#false} havoc #t~ret22; {12888#false} is VALID [2020-07-11 01:11:19,091 INFO L280 TraceCheckUtils]: 102: Hoare triple {12888#false} assume !false; {12888#false} is VALID [2020-07-11 01:11:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-11 01:11:19,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913080115] [2020-07-11 01:11:19,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:11:19,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-11 01:11:19,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021039052] [2020-07-11 01:11:19,103 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 103 [2020-07-11 01:11:19,103 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:11:19,103 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-11 01:11:19,192 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:19,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-11 01:11:19,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:11:19,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-11 01:11:19,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-07-11 01:11:19,193 INFO L87 Difference]: Start difference. First operand 176 states and 192 transitions. Second operand 13 states. [2020-07-11 01:11:23,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:23,694 INFO L93 Difference]: Finished difference Result 369 states and 420 transitions. [2020-07-11 01:11:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-11 01:11:23,694 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 103 [2020-07-11 01:11:23,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:11:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-11 01:11:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 345 transitions. [2020-07-11 01:11:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-11 01:11:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 345 transitions. [2020-07-11 01:11:23,703 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 345 transitions. [2020-07-11 01:11:24,197 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 345 edges. 345 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:24,204 INFO L225 Difference]: With dead ends: 369 [2020-07-11 01:11:24,204 INFO L226 Difference]: Without dead ends: 266 [2020-07-11 01:11:24,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-07-11 01:11:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-11 01:11:25,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 206. [2020-07-11 01:11:25,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:11:25,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 206 states. [2020-07-11 01:11:25,009 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 206 states. [2020-07-11 01:11:25,010 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 206 states. [2020-07-11 01:11:25,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:25,019 INFO L93 Difference]: Finished difference Result 266 states and 304 transitions. [2020-07-11 01:11:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 304 transitions. [2020-07-11 01:11:25,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:25,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:25,021 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 266 states. [2020-07-11 01:11:25,021 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 266 states. [2020-07-11 01:11:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:25,029 INFO L93 Difference]: Finished difference Result 266 states and 304 transitions. [2020-07-11 01:11:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 304 transitions. [2020-07-11 01:11:25,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:25,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:25,031 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:11:25,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:11:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-11 01:11:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 228 transitions. [2020-07-11 01:11:25,037 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 228 transitions. Word has length 103 [2020-07-11 01:11:25,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:11:25,037 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 228 transitions. [2020-07-11 01:11:25,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-11 01:11:25,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 206 states and 228 transitions. [2020-07-11 01:11:25,587 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 228 transitions. [2020-07-11 01:11:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-11 01:11:25,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:11:25,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-11 01:11:25,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 01:11:25,592 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:11:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:11:25,593 INFO L82 PathProgramCache]: Analyzing trace with hash 2144765375, now seen corresponding path program 1 times [2020-07-11 01:11:25,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:11:25,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597069921] [2020-07-11 01:11:25,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:11:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:25,770 INFO L280 TraceCheckUtils]: 0: Hoare triple {14781#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {14696#true} is VALID [2020-07-11 01:11:25,771 INFO L280 TraceCheckUtils]: 1: Hoare triple {14696#true} #valid := #valid[0 := 0]; {14696#true} is VALID [2020-07-11 01:11:25,771 INFO L280 TraceCheckUtils]: 2: Hoare triple {14696#true} assume 0 < #StackHeapBarrier; {14696#true} is VALID [2020-07-11 01:11:25,771 INFO L280 TraceCheckUtils]: 3: Hoare triple {14696#true} assume true; {14696#true} is VALID [2020-07-11 01:11:25,771 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14696#true} {14696#true} #259#return; {14696#true} is VALID [2020-07-11 01:11:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:25,846 INFO L280 TraceCheckUtils]: 0: Hoare triple {14696#true} ~from := #in~from; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:25,847 INFO L280 TraceCheckUtils]: 1: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:25,848 INFO L280 TraceCheckUtils]: 2: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,849 INFO L280 TraceCheckUtils]: 3: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,849 INFO L280 TraceCheckUtils]: 4: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,850 INFO L280 TraceCheckUtils]: 5: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,850 INFO L280 TraceCheckUtils]: 6: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,851 INFO L280 TraceCheckUtils]: 7: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,852 INFO L280 TraceCheckUtils]: 8: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,852 INFO L280 TraceCheckUtils]: 9: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:25,853 INFO L280 TraceCheckUtils]: 10: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:25,854 INFO L280 TraceCheckUtils]: 11: Hoare triple {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:25,855 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} {14696#true} #243#return; {14716#(and (<= |main_#t~ret14| 2) (<= 2 |main_#t~ret14|))} is VALID [2020-07-11 01:11:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:25,891 INFO L280 TraceCheckUtils]: 0: Hoare triple {14785#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {14696#true} is VALID [2020-07-11 01:11:25,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {14696#true} ~head~0.base, ~head~0.offset := 0, 0; {14696#true} is VALID [2020-07-11 01:11:25,891 INFO L280 TraceCheckUtils]: 2: Hoare triple {14696#true} #t~post2 := ~len; {14696#true} is VALID [2020-07-11 01:11:25,891 INFO L280 TraceCheckUtils]: 3: Hoare triple {14696#true} ~len := #t~post2 - 1; {14696#true} is VALID [2020-07-11 01:11:25,892 INFO L280 TraceCheckUtils]: 4: Hoare triple {14696#true} assume !!(#t~post2 > 0); {14696#true} is VALID [2020-07-11 01:11:25,892 INFO L280 TraceCheckUtils]: 5: Hoare triple {14696#true} havoc #t~post2; {14696#true} is VALID [2020-07-11 01:11:25,892 INFO L280 TraceCheckUtils]: 6: Hoare triple {14696#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {14696#true} is VALID [2020-07-11 01:11:25,892 INFO L280 TraceCheckUtils]: 7: Hoare triple {14696#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {14696#true} is VALID [2020-07-11 01:11:25,892 INFO L280 TraceCheckUtils]: 8: Hoare triple {14696#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {14696#true} is VALID [2020-07-11 01:11:25,892 INFO L280 TraceCheckUtils]: 9: Hoare triple {14696#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {14696#true} is VALID [2020-07-11 01:11:25,893 INFO L280 TraceCheckUtils]: 10: Hoare triple {14696#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {14696#true} is VALID [2020-07-11 01:11:25,893 INFO L280 TraceCheckUtils]: 11: Hoare triple {14696#true} #t~post2 := ~len; {14696#true} is VALID [2020-07-11 01:11:25,893 INFO L280 TraceCheckUtils]: 12: Hoare triple {14696#true} ~len := #t~post2 - 1; {14696#true} is VALID [2020-07-11 01:11:25,893 INFO L280 TraceCheckUtils]: 13: Hoare triple {14696#true} assume !!(#t~post2 > 0); {14696#true} is VALID [2020-07-11 01:11:25,893 INFO L280 TraceCheckUtils]: 14: Hoare triple {14696#true} havoc #t~post2; {14696#true} is VALID [2020-07-11 01:11:25,894 INFO L280 TraceCheckUtils]: 15: Hoare triple {14696#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {14696#true} is VALID [2020-07-11 01:11:25,894 INFO L280 TraceCheckUtils]: 16: Hoare triple {14696#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {14696#true} is VALID [2020-07-11 01:11:25,894 INFO L280 TraceCheckUtils]: 17: Hoare triple {14696#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {14696#true} is VALID [2020-07-11 01:11:25,894 INFO L280 TraceCheckUtils]: 18: Hoare triple {14696#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {14696#true} is VALID [2020-07-11 01:11:25,894 INFO L280 TraceCheckUtils]: 19: Hoare triple {14696#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {14696#true} is VALID [2020-07-11 01:11:25,895 INFO L280 TraceCheckUtils]: 20: Hoare triple {14696#true} #t~post2 := ~len; {14696#true} is VALID [2020-07-11 01:11:25,895 INFO L280 TraceCheckUtils]: 21: Hoare triple {14696#true} ~len := #t~post2 - 1; {14696#true} is VALID [2020-07-11 01:11:25,895 INFO L280 TraceCheckUtils]: 22: Hoare triple {14696#true} assume !(#t~post2 > 0); {14696#true} is VALID [2020-07-11 01:11:25,895 INFO L280 TraceCheckUtils]: 23: Hoare triple {14696#true} havoc #t~post2; {14696#true} is VALID [2020-07-11 01:11:25,895 INFO L280 TraceCheckUtils]: 24: Hoare triple {14696#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {14696#true} is VALID [2020-07-11 01:11:25,895 INFO L280 TraceCheckUtils]: 25: Hoare triple {14696#true} assume true; {14696#true} is VALID [2020-07-11 01:11:25,896 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {14696#true} {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} #245#return; {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:25,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {14696#true} ~from := #in~from; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:25,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:25,968 INFO L280 TraceCheckUtils]: 2: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,968 INFO L280 TraceCheckUtils]: 3: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #t~short12 := ~len~1 < ~until; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,969 INFO L280 TraceCheckUtils]: 4: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} assume #t~short12; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,969 INFO L280 TraceCheckUtils]: 5: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,970 INFO L280 TraceCheckUtils]: 6: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #t~short12 := 0 != #t~nondet11; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,971 INFO L280 TraceCheckUtils]: 7: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} assume !#t~short12; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,971 INFO L280 TraceCheckUtils]: 8: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} havoc #t~nondet11; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,972 INFO L280 TraceCheckUtils]: 9: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} havoc #t~short12; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:25,973 INFO L280 TraceCheckUtils]: 10: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #res := ~len~1; {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:25,973 INFO L280 TraceCheckUtils]: 11: Hoare triple {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} assume true; {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:25,975 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} #247#return; {14758#(and (<= main_~len~2 2) (<= 2 main_~len~2) (= |main_#t~ret16| 0))} is VALID [2020-07-11 01:11:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:26,159 INFO L280 TraceCheckUtils]: 0: Hoare triple {14696#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {14696#true} is VALID [2020-07-11 01:11:26,160 INFO L280 TraceCheckUtils]: 1: Hoare triple {14696#true} ~len~0 := 0; {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} is VALID [2020-07-11 01:11:26,161 INFO L280 TraceCheckUtils]: 2: Hoare triple {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} assume !!(~head.base != 0 || ~head.offset != 0); {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} is VALID [2020-07-11 01:11:26,162 INFO L280 TraceCheckUtils]: 3: Hoare triple {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} #t~post4 := ~len~0; {14789#(and (<= |sll_length_#t~post4| 0) (<= 0 |sll_length_#t~post4|))} is VALID [2020-07-11 01:11:26,164 INFO L280 TraceCheckUtils]: 4: Hoare triple {14789#(and (<= |sll_length_#t~post4| 0) (<= 0 |sll_length_#t~post4|))} ~len~0 := 1 + #t~post4; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,164 INFO L280 TraceCheckUtils]: 5: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} havoc #t~post4; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,165 INFO L280 TraceCheckUtils]: 6: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,165 INFO L280 TraceCheckUtils]: 7: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,166 INFO L280 TraceCheckUtils]: 8: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} havoc #t~mem5.base, #t~mem5.offset; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,166 INFO L280 TraceCheckUtils]: 9: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} assume !!(~head.base != 0 || ~head.offset != 0); {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,167 INFO L280 TraceCheckUtils]: 10: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} #t~post4 := ~len~0; {14791#(and (<= 1 |sll_length_#t~post4|) (<= |sll_length_#t~post4| 1))} is VALID [2020-07-11 01:11:26,168 INFO L280 TraceCheckUtils]: 11: Hoare triple {14791#(and (<= 1 |sll_length_#t~post4|) (<= |sll_length_#t~post4| 1))} ~len~0 := 1 + #t~post4; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,169 INFO L280 TraceCheckUtils]: 12: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} havoc #t~post4; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,170 INFO L280 TraceCheckUtils]: 13: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,170 INFO L280 TraceCheckUtils]: 14: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,171 INFO L280 TraceCheckUtils]: 15: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} havoc #t~mem5.base, #t~mem5.offset; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,172 INFO L280 TraceCheckUtils]: 16: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} assume !(~head.base != 0 || ~head.offset != 0); {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,172 INFO L280 TraceCheckUtils]: 17: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} #res := ~len~0; {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} is VALID [2020-07-11 01:11:26,173 INFO L280 TraceCheckUtils]: 18: Hoare triple {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} assume true; {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} is VALID [2020-07-11 01:11:26,174 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} #253#return; {14780#(and (= 0 main_~k~0) (<= |main_#t~ret22| main_~len~2) (<= main_~len~2 |main_#t~ret22|))} is VALID [2020-07-11 01:11:26,176 INFO L263 TraceCheckUtils]: 0: Hoare triple {14696#true} call ULTIMATE.init(); {14781#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:11:26,176 INFO L280 TraceCheckUtils]: 1: Hoare triple {14781#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {14696#true} is VALID [2020-07-11 01:11:26,176 INFO L280 TraceCheckUtils]: 2: Hoare triple {14696#true} #valid := #valid[0 := 0]; {14696#true} is VALID [2020-07-11 01:11:26,177 INFO L280 TraceCheckUtils]: 3: Hoare triple {14696#true} assume 0 < #StackHeapBarrier; {14696#true} is VALID [2020-07-11 01:11:26,177 INFO L280 TraceCheckUtils]: 4: Hoare triple {14696#true} assume true; {14696#true} is VALID [2020-07-11 01:11:26,177 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {14696#true} {14696#true} #259#return; {14696#true} is VALID [2020-07-11 01:11:26,177 INFO L263 TraceCheckUtils]: 6: Hoare triple {14696#true} call #t~ret24 := main(); {14696#true} is VALID [2020-07-11 01:11:26,178 INFO L263 TraceCheckUtils]: 7: Hoare triple {14696#true} call #t~ret14 := _get_nondet_int(2, 5); {14696#true} is VALID [2020-07-11 01:11:26,178 INFO L280 TraceCheckUtils]: 8: Hoare triple {14696#true} ~from := #in~from; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:26,179 INFO L280 TraceCheckUtils]: 9: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:26,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,180 INFO L280 TraceCheckUtils]: 11: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,180 INFO L280 TraceCheckUtils]: 12: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,181 INFO L280 TraceCheckUtils]: 13: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,181 INFO L280 TraceCheckUtils]: 14: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,182 INFO L280 TraceCheckUtils]: 15: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,182 INFO L280 TraceCheckUtils]: 16: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,182 INFO L280 TraceCheckUtils]: 17: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:11:26,183 INFO L280 TraceCheckUtils]: 18: Hoare triple {14783#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:26,183 INFO L280 TraceCheckUtils]: 19: Hoare triple {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:26,184 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {14784#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} {14696#true} #243#return; {14716#(and (<= |main_#t~ret14| 2) (<= 2 |main_#t~ret14|))} is VALID [2020-07-11 01:11:26,187 INFO L280 TraceCheckUtils]: 21: Hoare triple {14716#(and (<= |main_#t~ret14| 2) (<= 2 |main_#t~ret14|))} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {14716#(and (<= |main_#t~ret14| 2) (<= 2 |main_#t~ret14|))} is VALID [2020-07-11 01:11:26,190 INFO L280 TraceCheckUtils]: 22: Hoare triple {14716#(and (<= |main_#t~ret14| 2) (<= 2 |main_#t~ret14|))} ~len~2 := #t~ret14; {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,190 INFO L280 TraceCheckUtils]: 23: Hoare triple {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} havoc #t~ret14; {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,191 INFO L280 TraceCheckUtils]: 24: Hoare triple {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,194 INFO L263 TraceCheckUtils]: 25: Hoare triple {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {14785#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:11:26,195 INFO L280 TraceCheckUtils]: 26: Hoare triple {14785#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {14696#true} is VALID [2020-07-11 01:11:26,195 INFO L280 TraceCheckUtils]: 27: Hoare triple {14696#true} ~head~0.base, ~head~0.offset := 0, 0; {14696#true} is VALID [2020-07-11 01:11:26,195 INFO L280 TraceCheckUtils]: 28: Hoare triple {14696#true} #t~post2 := ~len; {14696#true} is VALID [2020-07-11 01:11:26,195 INFO L280 TraceCheckUtils]: 29: Hoare triple {14696#true} ~len := #t~post2 - 1; {14696#true} is VALID [2020-07-11 01:11:26,196 INFO L280 TraceCheckUtils]: 30: Hoare triple {14696#true} assume !!(#t~post2 > 0); {14696#true} is VALID [2020-07-11 01:11:26,196 INFO L280 TraceCheckUtils]: 31: Hoare triple {14696#true} havoc #t~post2; {14696#true} is VALID [2020-07-11 01:11:26,196 INFO L280 TraceCheckUtils]: 32: Hoare triple {14696#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {14696#true} is VALID [2020-07-11 01:11:26,196 INFO L280 TraceCheckUtils]: 33: Hoare triple {14696#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {14696#true} is VALID [2020-07-11 01:11:26,196 INFO L280 TraceCheckUtils]: 34: Hoare triple {14696#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {14696#true} is VALID [2020-07-11 01:11:26,197 INFO L280 TraceCheckUtils]: 35: Hoare triple {14696#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {14696#true} is VALID [2020-07-11 01:11:26,197 INFO L280 TraceCheckUtils]: 36: Hoare triple {14696#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {14696#true} is VALID [2020-07-11 01:11:26,197 INFO L280 TraceCheckUtils]: 37: Hoare triple {14696#true} #t~post2 := ~len; {14696#true} is VALID [2020-07-11 01:11:26,197 INFO L280 TraceCheckUtils]: 38: Hoare triple {14696#true} ~len := #t~post2 - 1; {14696#true} is VALID [2020-07-11 01:11:26,197 INFO L280 TraceCheckUtils]: 39: Hoare triple {14696#true} assume !!(#t~post2 > 0); {14696#true} is VALID [2020-07-11 01:11:26,197 INFO L280 TraceCheckUtils]: 40: Hoare triple {14696#true} havoc #t~post2; {14696#true} is VALID [2020-07-11 01:11:26,198 INFO L280 TraceCheckUtils]: 41: Hoare triple {14696#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {14696#true} is VALID [2020-07-11 01:11:26,198 INFO L280 TraceCheckUtils]: 42: Hoare triple {14696#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {14696#true} is VALID [2020-07-11 01:11:26,198 INFO L280 TraceCheckUtils]: 43: Hoare triple {14696#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {14696#true} is VALID [2020-07-11 01:11:26,198 INFO L280 TraceCheckUtils]: 44: Hoare triple {14696#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {14696#true} is VALID [2020-07-11 01:11:26,198 INFO L280 TraceCheckUtils]: 45: Hoare triple {14696#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {14696#true} is VALID [2020-07-11 01:11:26,198 INFO L280 TraceCheckUtils]: 46: Hoare triple {14696#true} #t~post2 := ~len; {14696#true} is VALID [2020-07-11 01:11:26,199 INFO L280 TraceCheckUtils]: 47: Hoare triple {14696#true} ~len := #t~post2 - 1; {14696#true} is VALID [2020-07-11 01:11:26,199 INFO L280 TraceCheckUtils]: 48: Hoare triple {14696#true} assume !(#t~post2 > 0); {14696#true} is VALID [2020-07-11 01:11:26,199 INFO L280 TraceCheckUtils]: 49: Hoare triple {14696#true} havoc #t~post2; {14696#true} is VALID [2020-07-11 01:11:26,199 INFO L280 TraceCheckUtils]: 50: Hoare triple {14696#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {14696#true} is VALID [2020-07-11 01:11:26,199 INFO L280 TraceCheckUtils]: 51: Hoare triple {14696#true} assume true; {14696#true} is VALID [2020-07-11 01:11:26,205 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {14696#true} {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} #245#return; {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,206 INFO L280 TraceCheckUtils]: 53: Hoare triple {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,207 INFO L280 TraceCheckUtils]: 54: Hoare triple {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} havoc #t~ret15.base, #t~ret15.offset; {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,207 INFO L263 TraceCheckUtils]: 55: Hoare triple {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {14696#true} is VALID [2020-07-11 01:11:26,207 INFO L280 TraceCheckUtils]: 56: Hoare triple {14696#true} ~from := #in~from; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:26,212 INFO L280 TraceCheckUtils]: 57: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:26,213 INFO L280 TraceCheckUtils]: 58: Hoare triple {14782#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,213 INFO L280 TraceCheckUtils]: 59: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #t~short12 := ~len~1 < ~until; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,214 INFO L280 TraceCheckUtils]: 60: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} assume #t~short12; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,214 INFO L280 TraceCheckUtils]: 61: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,215 INFO L280 TraceCheckUtils]: 62: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #t~short12 := 0 != #t~nondet11; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,215 INFO L280 TraceCheckUtils]: 63: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} assume !#t~short12; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,216 INFO L280 TraceCheckUtils]: 64: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} havoc #t~nondet11; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,216 INFO L280 TraceCheckUtils]: 65: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} havoc #t~short12; {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:26,217 INFO L280 TraceCheckUtils]: 66: Hoare triple {14786#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #res := ~len~1; {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:26,218 INFO L280 TraceCheckUtils]: 67: Hoare triple {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} assume true; {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:11:26,219 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {14787#(or (and (<= 0 |_get_nondet_int_#res|) (<= |_get_nondet_int_#res| 0)) (not (= 0 |_get_nondet_int_#in~from|)))} {14717#(and (<= main_~len~2 2) (<= 2 main_~len~2))} #247#return; {14758#(and (<= main_~len~2 2) (<= 2 main_~len~2) (= |main_#t~ret16| 0))} is VALID [2020-07-11 01:11:26,220 INFO L280 TraceCheckUtils]: 69: Hoare triple {14758#(and (<= main_~len~2 2) (<= 2 main_~len~2) (= |main_#t~ret16| 0))} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {14758#(and (<= main_~len~2 2) (<= 2 main_~len~2) (= |main_#t~ret16| 0))} is VALID [2020-07-11 01:11:26,221 INFO L280 TraceCheckUtils]: 70: Hoare triple {14758#(and (<= main_~len~2 2) (<= 2 main_~len~2) (= |main_#t~ret16| 0))} ~k~0 := #t~ret16; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,222 INFO L280 TraceCheckUtils]: 71: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} havoc #t~ret16; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,222 INFO L280 TraceCheckUtils]: 72: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} ~i~0 := 0; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,223 INFO L280 TraceCheckUtils]: 73: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} #t~short18 := ~i~0 < ~k~0; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,224 INFO L280 TraceCheckUtils]: 74: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} assume !#t~short18; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,225 INFO L280 TraceCheckUtils]: 75: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} assume !#t~short18; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,225 INFO L280 TraceCheckUtils]: 76: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} havoc #t~nondet17; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,226 INFO L280 TraceCheckUtils]: 77: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} havoc #t~short18; {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,227 INFO L280 TraceCheckUtils]: 78: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} is VALID [2020-07-11 01:11:26,227 INFO L263 TraceCheckUtils]: 79: Hoare triple {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {14696#true} is VALID [2020-07-11 01:11:26,227 INFO L280 TraceCheckUtils]: 80: Hoare triple {14696#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {14696#true} is VALID [2020-07-11 01:11:26,228 INFO L280 TraceCheckUtils]: 81: Hoare triple {14696#true} ~len~0 := 0; {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} is VALID [2020-07-11 01:11:26,229 INFO L280 TraceCheckUtils]: 82: Hoare triple {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} assume !!(~head.base != 0 || ~head.offset != 0); {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} is VALID [2020-07-11 01:11:26,230 INFO L280 TraceCheckUtils]: 83: Hoare triple {14788#(and (<= 0 sll_length_~len~0) (<= sll_length_~len~0 0))} #t~post4 := ~len~0; {14789#(and (<= |sll_length_#t~post4| 0) (<= 0 |sll_length_#t~post4|))} is VALID [2020-07-11 01:11:26,231 INFO L280 TraceCheckUtils]: 84: Hoare triple {14789#(and (<= |sll_length_#t~post4| 0) (<= 0 |sll_length_#t~post4|))} ~len~0 := 1 + #t~post4; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,231 INFO L280 TraceCheckUtils]: 85: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} havoc #t~post4; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,234 INFO L280 TraceCheckUtils]: 86: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,235 INFO L280 TraceCheckUtils]: 87: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,235 INFO L280 TraceCheckUtils]: 88: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} havoc #t~mem5.base, #t~mem5.offset; {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,236 INFO L280 TraceCheckUtils]: 89: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} assume !!(~head.base != 0 || ~head.offset != 0); {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} is VALID [2020-07-11 01:11:26,237 INFO L280 TraceCheckUtils]: 90: Hoare triple {14790#(and (<= 1 sll_length_~len~0) (<= sll_length_~len~0 1))} #t~post4 := ~len~0; {14791#(and (<= 1 |sll_length_#t~post4|) (<= |sll_length_#t~post4| 1))} is VALID [2020-07-11 01:11:26,238 INFO L280 TraceCheckUtils]: 91: Hoare triple {14791#(and (<= 1 |sll_length_#t~post4|) (<= |sll_length_#t~post4| 1))} ~len~0 := 1 + #t~post4; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,238 INFO L280 TraceCheckUtils]: 92: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} havoc #t~post4; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,239 INFO L280 TraceCheckUtils]: 93: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,240 INFO L280 TraceCheckUtils]: 94: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,240 INFO L280 TraceCheckUtils]: 95: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} havoc #t~mem5.base, #t~mem5.offset; {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,241 INFO L280 TraceCheckUtils]: 96: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} assume !(~head.base != 0 || ~head.offset != 0); {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} is VALID [2020-07-11 01:11:26,242 INFO L280 TraceCheckUtils]: 97: Hoare triple {14792#(and (<= sll_length_~len~0 2) (<= 2 sll_length_~len~0))} #res := ~len~0; {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} is VALID [2020-07-11 01:11:26,242 INFO L280 TraceCheckUtils]: 98: Hoare triple {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} assume true; {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} is VALID [2020-07-11 01:11:26,244 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {14793#(and (<= 2 |sll_length_#res|) (<= |sll_length_#res| 2))} {14759#(and (<= main_~len~2 2) (= 0 main_~k~0) (<= 2 main_~len~2))} #253#return; {14780#(and (= 0 main_~k~0) (<= |main_#t~ret22| main_~len~2) (<= main_~len~2 |main_#t~ret22|))} is VALID [2020-07-11 01:11:26,245 INFO L280 TraceCheckUtils]: 100: Hoare triple {14780#(and (= 0 main_~k~0) (<= |main_#t~ret22| main_~len~2) (<= main_~len~2 |main_#t~ret22|))} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {14780#(and (= 0 main_~k~0) (<= |main_#t~ret22| main_~len~2) (<= main_~len~2 |main_#t~ret22|))} is VALID [2020-07-11 01:11:26,245 INFO L280 TraceCheckUtils]: 101: Hoare triple {14780#(and (= 0 main_~k~0) (<= |main_#t~ret22| main_~len~2) (<= main_~len~2 |main_#t~ret22|))} assume ~k~0 + ~len~2 != #t~ret22; {14697#false} is VALID [2020-07-11 01:11:26,246 INFO L280 TraceCheckUtils]: 102: Hoare triple {14697#false} havoc #t~mem21.base, #t~mem21.offset; {14697#false} is VALID [2020-07-11 01:11:26,246 INFO L280 TraceCheckUtils]: 103: Hoare triple {14697#false} havoc #t~ret22; {14697#false} is VALID [2020-07-11 01:11:26,246 INFO L280 TraceCheckUtils]: 104: Hoare triple {14697#false} assume !false; {14697#false} is VALID [2020-07-11 01:11:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-11 01:11:26,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597069921] [2020-07-11 01:11:26,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:11:26,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-07-11 01:11:26,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192863839] [2020-07-11 01:11:26,265 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 105 [2020-07-11 01:11:26,266 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:11:26,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2020-07-11 01:11:26,365 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:26,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-11 01:11:26,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:11:26,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-11 01:11:26,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2020-07-11 01:11:26,367 INFO L87 Difference]: Start difference. First operand 206 states and 228 transitions. Second operand 20 states. [2020-07-11 01:11:35,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:35,166 INFO L93 Difference]: Finished difference Result 325 states and 381 transitions. [2020-07-11 01:11:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-11 01:11:35,166 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 105 [2020-07-11 01:11:35,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:11:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-11 01:11:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 296 transitions. [2020-07-11 01:11:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-11 01:11:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 296 transitions. [2020-07-11 01:11:35,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 296 transitions. [2020-07-11 01:11:35,661 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 296 edges. 296 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:35,671 INFO L225 Difference]: With dead ends: 325 [2020-07-11 01:11:35,671 INFO L226 Difference]: Without dead ends: 319 [2020-07-11 01:11:35,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=209, Invalid=1513, Unknown=0, NotChecked=0, Total=1722 [2020-07-11 01:11:35,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-07-11 01:11:36,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 256. [2020-07-11 01:11:36,676 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:11:36,677 INFO L82 GeneralOperation]: Start isEquivalent. First operand 319 states. Second operand 256 states. [2020-07-11 01:11:36,677 INFO L74 IsIncluded]: Start isIncluded. First operand 319 states. Second operand 256 states. [2020-07-11 01:11:36,677 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 256 states. [2020-07-11 01:11:36,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:36,687 INFO L93 Difference]: Finished difference Result 319 states and 374 transitions. [2020-07-11 01:11:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 374 transitions. [2020-07-11 01:11:36,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:36,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:36,690 INFO L74 IsIncluded]: Start isIncluded. First operand 256 states. Second operand 319 states. [2020-07-11 01:11:36,690 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 319 states. [2020-07-11 01:11:36,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:36,700 INFO L93 Difference]: Finished difference Result 319 states and 374 transitions. [2020-07-11 01:11:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 374 transitions. [2020-07-11 01:11:36,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:36,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:36,702 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:11:36,703 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:11:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-07-11 01:11:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 294 transitions. [2020-07-11 01:11:36,710 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 294 transitions. Word has length 105 [2020-07-11 01:11:36,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:11:36,710 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 294 transitions. [2020-07-11 01:11:36,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-11 01:11:36,711 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 256 states and 294 transitions. [2020-07-11 01:11:37,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 294 edges. 294 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 294 transitions. [2020-07-11 01:11:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-11 01:11:37,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:11:37,437 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:11:37,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 01:11:37,437 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:11:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:11:37,438 INFO L82 PathProgramCache]: Analyzing trace with hash -798874772, now seen corresponding path program 2 times [2020-07-11 01:11:37,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:11:37,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83233329] [2020-07-11 01:11:37,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:11:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:37,621 INFO L280 TraceCheckUtils]: 0: Hoare triple {16732#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16642#true} is VALID [2020-07-11 01:11:37,621 INFO L280 TraceCheckUtils]: 1: Hoare triple {16642#true} #valid := #valid[0 := 0]; {16642#true} is VALID [2020-07-11 01:11:37,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {16642#true} assume 0 < #StackHeapBarrier; {16642#true} is VALID [2020-07-11 01:11:37,621 INFO L280 TraceCheckUtils]: 3: Hoare triple {16642#true} assume true; {16642#true} is VALID [2020-07-11 01:11:37,621 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16642#true} {16642#true} #259#return; {16642#true} is VALID [2020-07-11 01:11:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:37,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {16642#true} ~from := #in~from; {16642#true} is VALID [2020-07-11 01:11:37,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {16642#true} ~until := #in~until; {16642#true} is VALID [2020-07-11 01:11:37,630 INFO L280 TraceCheckUtils]: 2: Hoare triple {16642#true} ~len~1 := ~from; {16642#true} is VALID [2020-07-11 01:11:37,630 INFO L280 TraceCheckUtils]: 3: Hoare triple {16642#true} #t~short12 := ~len~1 < ~until; {16642#true} is VALID [2020-07-11 01:11:37,631 INFO L280 TraceCheckUtils]: 4: Hoare triple {16642#true} assume #t~short12; {16642#true} is VALID [2020-07-11 01:11:37,631 INFO L280 TraceCheckUtils]: 5: Hoare triple {16642#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {16642#true} is VALID [2020-07-11 01:11:37,631 INFO L280 TraceCheckUtils]: 6: Hoare triple {16642#true} #t~short12 := 0 != #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:37,631 INFO L280 TraceCheckUtils]: 7: Hoare triple {16642#true} assume !#t~short12; {16642#true} is VALID [2020-07-11 01:11:37,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {16642#true} havoc #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:37,632 INFO L280 TraceCheckUtils]: 9: Hoare triple {16642#true} havoc #t~short12; {16642#true} is VALID [2020-07-11 01:11:37,632 INFO L280 TraceCheckUtils]: 10: Hoare triple {16642#true} #res := ~len~1; {16642#true} is VALID [2020-07-11 01:11:37,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {16642#true} assume true; {16642#true} is VALID [2020-07-11 01:11:37,632 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {16642#true} {16642#true} #243#return; {16642#true} is VALID [2020-07-11 01:11:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:38,000 INFO L280 TraceCheckUtils]: 0: Hoare triple {16733#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {16642#true} is VALID [2020-07-11 01:11:38,001 INFO L280 TraceCheckUtils]: 1: Hoare triple {16642#true} ~head~0.base, ~head~0.offset := 0, 0; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,002 INFO L280 TraceCheckUtils]: 2: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} #t~post2 := ~len; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,003 INFO L280 TraceCheckUtils]: 3: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} ~len := #t~post2 - 1; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,004 INFO L280 TraceCheckUtils]: 4: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} assume !!(#t~post2 > 0); {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,004 INFO L280 TraceCheckUtils]: 5: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} havoc #t~post2; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,006 INFO L280 TraceCheckUtils]: 6: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {16735#(and (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| |sll_create_#t~malloc3.base|)) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,007 INFO L280 TraceCheckUtils]: 7: Hoare triple {16735#(and (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| |sll_create_#t~malloc3.base|)) (= 0 sll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,008 INFO L280 TraceCheckUtils]: 8: Hoare triple {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,009 INFO L280 TraceCheckUtils]: 9: Hoare triple {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {16737#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} is VALID [2020-07-11 01:11:38,011 INFO L280 TraceCheckUtils]: 10: Hoare triple {16737#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,012 INFO L280 TraceCheckUtils]: 11: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} #t~post2 := ~len; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,013 INFO L280 TraceCheckUtils]: 12: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} ~len := #t~post2 - 1; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,014 INFO L280 TraceCheckUtils]: 13: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} assume !!(#t~post2 > 0); {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,015 INFO L280 TraceCheckUtils]: 14: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} havoc #t~post2; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,016 INFO L280 TraceCheckUtils]: 15: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {16739#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base |sll_create_#t~malloc3.base|)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:38,018 INFO L280 TraceCheckUtils]: 16: Hoare triple {16739#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base |sll_create_#t~malloc3.base|)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} is VALID [2020-07-11 01:11:38,019 INFO L280 TraceCheckUtils]: 17: Hoare triple {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} is VALID [2020-07-11 01:11:38,020 INFO L280 TraceCheckUtils]: 18: Hoare triple {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {16741#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))))} is VALID [2020-07-11 01:11:38,022 INFO L280 TraceCheckUtils]: 19: Hoare triple {16741#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,023 INFO L280 TraceCheckUtils]: 20: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} #t~post2 := ~len; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,024 INFO L280 TraceCheckUtils]: 21: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} ~len := #t~post2 - 1; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,025 INFO L280 TraceCheckUtils]: 22: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} assume !(#t~post2 > 0); {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,026 INFO L280 TraceCheckUtils]: 23: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} havoc #t~post2; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,040 INFO L280 TraceCheckUtils]: 24: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} is VALID [2020-07-11 01:11:38,041 INFO L280 TraceCheckUtils]: 25: Hoare triple {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} assume true; {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} is VALID [2020-07-11 01:11:38,043 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} {16642#true} #245#return; {16689#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~ret15.base|) |main_#t~ret15.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~ret15.base|) |main_#t~ret15.offset|))))} is VALID [2020-07-11 01:11:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:38,055 INFO L280 TraceCheckUtils]: 0: Hoare triple {16642#true} ~from := #in~from; {16642#true} is VALID [2020-07-11 01:11:38,055 INFO L280 TraceCheckUtils]: 1: Hoare triple {16642#true} ~until := #in~until; {16642#true} is VALID [2020-07-11 01:11:38,055 INFO L280 TraceCheckUtils]: 2: Hoare triple {16642#true} ~len~1 := ~from; {16642#true} is VALID [2020-07-11 01:11:38,055 INFO L280 TraceCheckUtils]: 3: Hoare triple {16642#true} #t~short12 := ~len~1 < ~until; {16642#true} is VALID [2020-07-11 01:11:38,056 INFO L280 TraceCheckUtils]: 4: Hoare triple {16642#true} assume #t~short12; {16642#true} is VALID [2020-07-11 01:11:38,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {16642#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {16642#true} is VALID [2020-07-11 01:11:38,056 INFO L280 TraceCheckUtils]: 6: Hoare triple {16642#true} #t~short12 := 0 != #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:38,056 INFO L280 TraceCheckUtils]: 7: Hoare triple {16642#true} assume !#t~short12; {16642#true} is VALID [2020-07-11 01:11:38,057 INFO L280 TraceCheckUtils]: 8: Hoare triple {16642#true} havoc #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:38,057 INFO L280 TraceCheckUtils]: 9: Hoare triple {16642#true} havoc #t~short12; {16642#true} is VALID [2020-07-11 01:11:38,057 INFO L280 TraceCheckUtils]: 10: Hoare triple {16642#true} #res := ~len~1; {16642#true} is VALID [2020-07-11 01:11:38,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {16642#true} assume true; {16642#true} is VALID [2020-07-11 01:11:38,059 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {16642#true} {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} #247#return; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:38,316 INFO L280 TraceCheckUtils]: 0: Hoare triple {16642#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,317 INFO L280 TraceCheckUtils]: 1: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 0; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,318 INFO L280 TraceCheckUtils]: 2: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,319 INFO L280 TraceCheckUtils]: 3: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} #t~post4 := ~len~0; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,320 INFO L280 TraceCheckUtils]: 4: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 1 + #t~post4; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,321 INFO L280 TraceCheckUtils]: 5: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} havoc #t~post4; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,322 INFO L280 TraceCheckUtils]: 6: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {16745#(and (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|) (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.offset|))} is VALID [2020-07-11 01:11:38,323 INFO L280 TraceCheckUtils]: 7: Hoare triple {16745#(and (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|) (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.offset|))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,323 INFO L280 TraceCheckUtils]: 8: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} havoc #t~mem5.base, #t~mem5.offset; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,324 INFO L280 TraceCheckUtils]: 9: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,325 INFO L280 TraceCheckUtils]: 10: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} #t~post4 := ~len~0; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,326 INFO L280 TraceCheckUtils]: 11: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} ~len~0 := 1 + #t~post4; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,327 INFO L280 TraceCheckUtils]: 12: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} havoc #t~post4; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,328 INFO L280 TraceCheckUtils]: 13: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {16747#(and (= |sll_length_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) |sll_length_#t~mem5.offset|))} is VALID [2020-07-11 01:11:38,329 INFO L280 TraceCheckUtils]: 14: Hoare triple {16747#(and (= |sll_length_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) |sll_length_#t~mem5.offset|))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,330 INFO L280 TraceCheckUtils]: 15: Hoare triple {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} havoc #t~mem5.base, #t~mem5.offset; {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,331 INFO L280 TraceCheckUtils]: 16: Hoare triple {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,332 INFO L280 TraceCheckUtils]: 17: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} #t~post4 := ~len~0; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,333 INFO L280 TraceCheckUtils]: 18: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} ~len~0 := 1 + #t~post4; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,333 INFO L280 TraceCheckUtils]: 19: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} havoc #t~post4; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,334 INFO L280 TraceCheckUtils]: 20: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,335 INFO L280 TraceCheckUtils]: 21: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,336 INFO L280 TraceCheckUtils]: 22: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} havoc #t~mem5.base, #t~mem5.offset; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,336 INFO L280 TraceCheckUtils]: 23: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} assume !(~head.base != 0 || ~head.offset != 0); {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,337 INFO L280 TraceCheckUtils]: 24: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} #res := ~len~0; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,338 INFO L280 TraceCheckUtils]: 25: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} assume true; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,339 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} {16704#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))} #253#return; {16643#false} is VALID [2020-07-11 01:11:38,344 INFO L263 TraceCheckUtils]: 0: Hoare triple {16642#true} call ULTIMATE.init(); {16732#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:11:38,345 INFO L280 TraceCheckUtils]: 1: Hoare triple {16732#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16642#true} is VALID [2020-07-11 01:11:38,345 INFO L280 TraceCheckUtils]: 2: Hoare triple {16642#true} #valid := #valid[0 := 0]; {16642#true} is VALID [2020-07-11 01:11:38,345 INFO L280 TraceCheckUtils]: 3: Hoare triple {16642#true} assume 0 < #StackHeapBarrier; {16642#true} is VALID [2020-07-11 01:11:38,345 INFO L280 TraceCheckUtils]: 4: Hoare triple {16642#true} assume true; {16642#true} is VALID [2020-07-11 01:11:38,345 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {16642#true} {16642#true} #259#return; {16642#true} is VALID [2020-07-11 01:11:38,346 INFO L263 TraceCheckUtils]: 6: Hoare triple {16642#true} call #t~ret24 := main(); {16642#true} is VALID [2020-07-11 01:11:38,346 INFO L263 TraceCheckUtils]: 7: Hoare triple {16642#true} call #t~ret14 := _get_nondet_int(2, 5); {16642#true} is VALID [2020-07-11 01:11:38,346 INFO L280 TraceCheckUtils]: 8: Hoare triple {16642#true} ~from := #in~from; {16642#true} is VALID [2020-07-11 01:11:38,346 INFO L280 TraceCheckUtils]: 9: Hoare triple {16642#true} ~until := #in~until; {16642#true} is VALID [2020-07-11 01:11:38,346 INFO L280 TraceCheckUtils]: 10: Hoare triple {16642#true} ~len~1 := ~from; {16642#true} is VALID [2020-07-11 01:11:38,346 INFO L280 TraceCheckUtils]: 11: Hoare triple {16642#true} #t~short12 := ~len~1 < ~until; {16642#true} is VALID [2020-07-11 01:11:38,347 INFO L280 TraceCheckUtils]: 12: Hoare triple {16642#true} assume #t~short12; {16642#true} is VALID [2020-07-11 01:11:38,347 INFO L280 TraceCheckUtils]: 13: Hoare triple {16642#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {16642#true} is VALID [2020-07-11 01:11:38,347 INFO L280 TraceCheckUtils]: 14: Hoare triple {16642#true} #t~short12 := 0 != #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:38,347 INFO L280 TraceCheckUtils]: 15: Hoare triple {16642#true} assume !#t~short12; {16642#true} is VALID [2020-07-11 01:11:38,347 INFO L280 TraceCheckUtils]: 16: Hoare triple {16642#true} havoc #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:38,347 INFO L280 TraceCheckUtils]: 17: Hoare triple {16642#true} havoc #t~short12; {16642#true} is VALID [2020-07-11 01:11:38,348 INFO L280 TraceCheckUtils]: 18: Hoare triple {16642#true} #res := ~len~1; {16642#true} is VALID [2020-07-11 01:11:38,348 INFO L280 TraceCheckUtils]: 19: Hoare triple {16642#true} assume true; {16642#true} is VALID [2020-07-11 01:11:38,348 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {16642#true} {16642#true} #243#return; {16642#true} is VALID [2020-07-11 01:11:38,348 INFO L280 TraceCheckUtils]: 21: Hoare triple {16642#true} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {16642#true} is VALID [2020-07-11 01:11:38,348 INFO L280 TraceCheckUtils]: 22: Hoare triple {16642#true} ~len~2 := #t~ret14; {16642#true} is VALID [2020-07-11 01:11:38,348 INFO L280 TraceCheckUtils]: 23: Hoare triple {16642#true} havoc #t~ret14; {16642#true} is VALID [2020-07-11 01:11:38,349 INFO L280 TraceCheckUtils]: 24: Hoare triple {16642#true} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {16642#true} is VALID [2020-07-11 01:11:38,350 INFO L263 TraceCheckUtils]: 25: Hoare triple {16642#true} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {16733#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:11:38,350 INFO L280 TraceCheckUtils]: 26: Hoare triple {16733#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {16642#true} is VALID [2020-07-11 01:11:38,351 INFO L280 TraceCheckUtils]: 27: Hoare triple {16642#true} ~head~0.base, ~head~0.offset := 0, 0; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,352 INFO L280 TraceCheckUtils]: 28: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} #t~post2 := ~len; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,352 INFO L280 TraceCheckUtils]: 29: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} ~len := #t~post2 - 1; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,353 INFO L280 TraceCheckUtils]: 30: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} assume !!(#t~post2 > 0); {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,354 INFO L280 TraceCheckUtils]: 31: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} havoc #t~post2; {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,355 INFO L280 TraceCheckUtils]: 32: Hoare triple {16734#(and (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {16735#(and (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| |sll_create_#t~malloc3.base|)) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,356 INFO L280 TraceCheckUtils]: 33: Hoare triple {16735#(and (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| |sll_create_#t~malloc3.base|)) (= 0 sll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,357 INFO L280 TraceCheckUtils]: 34: Hoare triple {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} is VALID [2020-07-11 01:11:38,359 INFO L280 TraceCheckUtils]: 35: Hoare triple {16736#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 0 sll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {16737#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} is VALID [2020-07-11 01:11:38,360 INFO L280 TraceCheckUtils]: 36: Hoare triple {16737#(and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,361 INFO L280 TraceCheckUtils]: 37: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} #t~post2 := ~len; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,361 INFO L280 TraceCheckUtils]: 38: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} ~len := #t~post2 - 1; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,362 INFO L280 TraceCheckUtils]: 39: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} assume !!(#t~post2 > 0); {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,363 INFO L280 TraceCheckUtils]: 40: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} havoc #t~post2; {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} is VALID [2020-07-11 01:11:38,364 INFO L280 TraceCheckUtils]: 41: Hoare triple {16738#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 1 (select |#valid| sll_create_~head~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {16739#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base |sll_create_#t~malloc3.base|)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} is VALID [2020-07-11 01:11:38,365 INFO L280 TraceCheckUtils]: 42: Hoare triple {16739#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base |sll_create_#t~malloc3.base|)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} is VALID [2020-07-11 01:11:38,366 INFO L280 TraceCheckUtils]: 43: Hoare triple {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} is VALID [2020-07-11 01:11:38,368 INFO L280 TraceCheckUtils]: 44: Hoare triple {16740#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {16741#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))))} is VALID [2020-07-11 01:11:38,371 INFO L280 TraceCheckUtils]: 45: Hoare triple {16741#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) sll_create_~new_head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~new_head~0.base) sll_create_~new_head~0.offset))))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,372 INFO L280 TraceCheckUtils]: 46: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} #t~post2 := ~len; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,373 INFO L280 TraceCheckUtils]: 47: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} ~len := #t~post2 - 1; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,374 INFO L280 TraceCheckUtils]: 48: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} assume !(#t~post2 > 0); {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,375 INFO L280 TraceCheckUtils]: 49: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} havoc #t~post2; {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} is VALID [2020-07-11 01:11:38,376 INFO L280 TraceCheckUtils]: 50: Hoare triple {16742#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) sll_create_~head~0.offset)) (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) sll_create_~head~0.offset))))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} is VALID [2020-07-11 01:11:38,377 INFO L280 TraceCheckUtils]: 51: Hoare triple {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} assume true; {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} is VALID [2020-07-11 01:11:38,378 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {16743#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) |sll_create_#res.offset|)) (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) |sll_create_#res.offset|))))} {16642#true} #245#return; {16689#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~ret15.base|) |main_#t~ret15.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~ret15.base|) |main_#t~ret15.offset|))))} is VALID [2020-07-11 01:11:38,380 INFO L280 TraceCheckUtils]: 53: Hoare triple {16689#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~ret15.base|) |main_#t~ret15.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret15.base|) |main_#t~ret15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~ret15.base|) |main_#t~ret15.offset|))))} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,381 INFO L280 TraceCheckUtils]: 54: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} havoc #t~ret15.base, #t~ret15.offset; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,381 INFO L263 TraceCheckUtils]: 55: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {16642#true} is VALID [2020-07-11 01:11:38,381 INFO L280 TraceCheckUtils]: 56: Hoare triple {16642#true} ~from := #in~from; {16642#true} is VALID [2020-07-11 01:11:38,382 INFO L280 TraceCheckUtils]: 57: Hoare triple {16642#true} ~until := #in~until; {16642#true} is VALID [2020-07-11 01:11:38,382 INFO L280 TraceCheckUtils]: 58: Hoare triple {16642#true} ~len~1 := ~from; {16642#true} is VALID [2020-07-11 01:11:38,382 INFO L280 TraceCheckUtils]: 59: Hoare triple {16642#true} #t~short12 := ~len~1 < ~until; {16642#true} is VALID [2020-07-11 01:11:38,382 INFO L280 TraceCheckUtils]: 60: Hoare triple {16642#true} assume #t~short12; {16642#true} is VALID [2020-07-11 01:11:38,382 INFO L280 TraceCheckUtils]: 61: Hoare triple {16642#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {16642#true} is VALID [2020-07-11 01:11:38,383 INFO L280 TraceCheckUtils]: 62: Hoare triple {16642#true} #t~short12 := 0 != #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:38,383 INFO L280 TraceCheckUtils]: 63: Hoare triple {16642#true} assume !#t~short12; {16642#true} is VALID [2020-07-11 01:11:38,383 INFO L280 TraceCheckUtils]: 64: Hoare triple {16642#true} havoc #t~nondet11; {16642#true} is VALID [2020-07-11 01:11:38,383 INFO L280 TraceCheckUtils]: 65: Hoare triple {16642#true} havoc #t~short12; {16642#true} is VALID [2020-07-11 01:11:38,383 INFO L280 TraceCheckUtils]: 66: Hoare triple {16642#true} #res := ~len~1; {16642#true} is VALID [2020-07-11 01:11:38,383 INFO L280 TraceCheckUtils]: 67: Hoare triple {16642#true} assume true; {16642#true} is VALID [2020-07-11 01:11:38,385 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {16642#true} {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} #247#return; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,386 INFO L280 TraceCheckUtils]: 69: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,387 INFO L280 TraceCheckUtils]: 70: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} ~k~0 := #t~ret16; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,388 INFO L280 TraceCheckUtils]: 71: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} havoc #t~ret16; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,389 INFO L280 TraceCheckUtils]: 72: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} ~i~0 := 0; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,390 INFO L280 TraceCheckUtils]: 73: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} #t~short18 := ~i~0 < ~k~0; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,391 INFO L280 TraceCheckUtils]: 74: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} assume !#t~short18; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,392 INFO L280 TraceCheckUtils]: 75: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} assume !#t~short18; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,393 INFO L280 TraceCheckUtils]: 76: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} havoc #t~nondet17; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,394 INFO L280 TraceCheckUtils]: 77: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} havoc #t~short18; {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} is VALID [2020-07-11 01:11:38,395 INFO L280 TraceCheckUtils]: 78: Hoare triple {16690#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))))} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {16704#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))} is VALID [2020-07-11 01:11:38,396 INFO L263 TraceCheckUtils]: 79: Hoare triple {16704#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {16642#true} is VALID [2020-07-11 01:11:38,396 INFO L280 TraceCheckUtils]: 80: Hoare triple {16642#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,397 INFO L280 TraceCheckUtils]: 81: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 0; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,398 INFO L280 TraceCheckUtils]: 82: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,399 INFO L280 TraceCheckUtils]: 83: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} #t~post4 := ~len~0; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,399 INFO L280 TraceCheckUtils]: 84: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} ~len~0 := 1 + #t~post4; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,400 INFO L280 TraceCheckUtils]: 85: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} havoc #t~post4; {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} is VALID [2020-07-11 01:11:38,401 INFO L280 TraceCheckUtils]: 86: Hoare triple {16744#(and (= sll_length_~head.offset |sll_length_#in~head.offset|) (= |sll_length_#in~head.base| sll_length_~head.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {16745#(and (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|) (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.offset|))} is VALID [2020-07-11 01:11:38,403 INFO L280 TraceCheckUtils]: 87: Hoare triple {16745#(and (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.base|) (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) |sll_length_#t~mem5.offset|))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,404 INFO L280 TraceCheckUtils]: 88: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} havoc #t~mem5.base, #t~mem5.offset; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,405 INFO L280 TraceCheckUtils]: 89: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,406 INFO L280 TraceCheckUtils]: 90: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} #t~post4 := ~len~0; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,406 INFO L280 TraceCheckUtils]: 91: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} ~len~0 := 1 + #t~post4; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,407 INFO L280 TraceCheckUtils]: 92: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} havoc #t~post4; {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,408 INFO L280 TraceCheckUtils]: 93: Hoare triple {16746#(and (= (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|) sll_length_~head.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {16747#(and (= |sll_length_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) |sll_length_#t~mem5.offset|))} is VALID [2020-07-11 01:11:38,409 INFO L280 TraceCheckUtils]: 94: Hoare triple {16747#(and (= |sll_length_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) |sll_length_#t~mem5.offset|))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,410 INFO L280 TraceCheckUtils]: 95: Hoare triple {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} havoc #t~mem5.base, #t~mem5.offset; {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} is VALID [2020-07-11 01:11:38,411 INFO L280 TraceCheckUtils]: 96: Hoare triple {16748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) sll_length_~head.base))} assume !!(~head.base != 0 || ~head.offset != 0); {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,412 INFO L280 TraceCheckUtils]: 97: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} #t~post4 := ~len~0; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,412 INFO L280 TraceCheckUtils]: 98: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} ~len~0 := 1 + #t~post4; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,413 INFO L280 TraceCheckUtils]: 99: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} havoc #t~post4; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,414 INFO L280 TraceCheckUtils]: 100: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,414 INFO L280 TraceCheckUtils]: 101: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,415 INFO L280 TraceCheckUtils]: 102: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} havoc #t~mem5.base, #t~mem5.offset; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,415 INFO L280 TraceCheckUtils]: 103: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} assume !(~head.base != 0 || ~head.offset != 0); {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,416 INFO L280 TraceCheckUtils]: 104: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} #res := ~len~0; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,417 INFO L280 TraceCheckUtils]: 105: Hoare triple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} assume true; {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} is VALID [2020-07-11 01:11:38,418 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {16749#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)) (select (select |#memory_$Pointer$.offset| |sll_length_#in~head.base|) |sll_length_#in~head.offset|)))))} {16704#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))} #253#return; {16643#false} is VALID [2020-07-11 01:11:38,419 INFO L280 TraceCheckUtils]: 107: Hoare triple {16643#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {16643#false} is VALID [2020-07-11 01:11:38,419 INFO L280 TraceCheckUtils]: 108: Hoare triple {16643#false} assume ~k~0 + ~len~2 != #t~ret22; {16643#false} is VALID [2020-07-11 01:11:38,419 INFO L280 TraceCheckUtils]: 109: Hoare triple {16643#false} havoc #t~mem21.base, #t~mem21.offset; {16643#false} is VALID [2020-07-11 01:11:38,419 INFO L280 TraceCheckUtils]: 110: Hoare triple {16643#false} havoc #t~ret22; {16643#false} is VALID [2020-07-11 01:11:38,419 INFO L280 TraceCheckUtils]: 111: Hoare triple {16643#false} assume !false; {16643#false} is VALID [2020-07-11 01:11:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-11 01:11:38,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83233329] [2020-07-11 01:11:38,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:11:38,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-11 01:11:38,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979223871] [2020-07-11 01:11:38,457 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 112 [2020-07-11 01:11:38,457 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:11:38,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2020-07-11 01:11:38,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:38,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-11 01:11:38,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:11:38,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-11 01:11:38,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2020-07-11 01:11:38,603 INFO L87 Difference]: Start difference. First operand 256 states and 294 transitions. Second operand 23 states. [2020-07-11 01:11:49,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:49,296 INFO L93 Difference]: Finished difference Result 340 states and 399 transitions. [2020-07-11 01:11:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-11 01:11:49,296 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 112 [2020-07-11 01:11:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:11:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-11 01:11:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 226 transitions. [2020-07-11 01:11:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-11 01:11:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 226 transitions. [2020-07-11 01:11:49,305 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 226 transitions. [2020-07-11 01:11:49,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 226 edges. 226 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:49,684 INFO L225 Difference]: With dead ends: 340 [2020-07-11 01:11:49,684 INFO L226 Difference]: Without dead ends: 330 [2020-07-11 01:11:49,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=172, Invalid=1720, Unknown=0, NotChecked=0, Total=1892 [2020-07-11 01:11:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-07-11 01:11:50,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 297. [2020-07-11 01:11:50,959 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:11:50,959 INFO L82 GeneralOperation]: Start isEquivalent. First operand 330 states. Second operand 297 states. [2020-07-11 01:11:50,959 INFO L74 IsIncluded]: Start isIncluded. First operand 330 states. Second operand 297 states. [2020-07-11 01:11:50,960 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 297 states. [2020-07-11 01:11:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:50,971 INFO L93 Difference]: Finished difference Result 330 states and 387 transitions. [2020-07-11 01:11:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 387 transitions. [2020-07-11 01:11:50,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:50,972 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:50,973 INFO L74 IsIncluded]: Start isIncluded. First operand 297 states. Second operand 330 states. [2020-07-11 01:11:50,973 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 330 states. [2020-07-11 01:11:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:50,984 INFO L93 Difference]: Finished difference Result 330 states and 387 transitions. [2020-07-11 01:11:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 387 transitions. [2020-07-11 01:11:50,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:11:50,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:11:50,986 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:11:50,986 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:11:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-07-11 01:11:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 346 transitions. [2020-07-11 01:11:50,995 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 346 transitions. Word has length 112 [2020-07-11 01:11:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:11:50,995 INFO L479 AbstractCegarLoop]: Abstraction has 297 states and 346 transitions. [2020-07-11 01:11:50,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-11 01:11:50,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 297 states and 346 transitions. [2020-07-11 01:11:51,926 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 346 edges. 346 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 346 transitions. [2020-07-11 01:11:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-11 01:11:51,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:11:51,929 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:11:51,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 01:11:51,929 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:11:51,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:11:51,929 INFO L82 PathProgramCache]: Analyzing trace with hash -861453783, now seen corresponding path program 2 times [2020-07-11 01:11:51,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:11:51,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453042752] [2020-07-11 01:11:51,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:11:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:52,021 INFO L280 TraceCheckUtils]: 0: Hoare triple {18821#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {18729#true} is VALID [2020-07-11 01:11:52,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {18729#true} #valid := #valid[0 := 0]; {18729#true} is VALID [2020-07-11 01:11:52,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {18729#true} assume 0 < #StackHeapBarrier; {18729#true} is VALID [2020-07-11 01:11:52,022 INFO L280 TraceCheckUtils]: 3: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,022 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {18729#true} {18729#true} #259#return; {18729#true} is VALID [2020-07-11 01:11:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:52,027 INFO L280 TraceCheckUtils]: 0: Hoare triple {18729#true} ~from := #in~from; {18729#true} is VALID [2020-07-11 01:11:52,027 INFO L280 TraceCheckUtils]: 1: Hoare triple {18729#true} ~until := #in~until; {18729#true} is VALID [2020-07-11 01:11:52,027 INFO L280 TraceCheckUtils]: 2: Hoare triple {18729#true} ~len~1 := ~from; {18729#true} is VALID [2020-07-11 01:11:52,028 INFO L280 TraceCheckUtils]: 3: Hoare triple {18729#true} #t~short12 := ~len~1 < ~until; {18729#true} is VALID [2020-07-11 01:11:52,028 INFO L280 TraceCheckUtils]: 4: Hoare triple {18729#true} assume #t~short12; {18729#true} is VALID [2020-07-11 01:11:52,028 INFO L280 TraceCheckUtils]: 5: Hoare triple {18729#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {18729#true} is VALID [2020-07-11 01:11:52,028 INFO L280 TraceCheckUtils]: 6: Hoare triple {18729#true} #t~short12 := 0 != #t~nondet11; {18729#true} is VALID [2020-07-11 01:11:52,028 INFO L280 TraceCheckUtils]: 7: Hoare triple {18729#true} assume !#t~short12; {18729#true} is VALID [2020-07-11 01:11:52,029 INFO L280 TraceCheckUtils]: 8: Hoare triple {18729#true} havoc #t~nondet11; {18729#true} is VALID [2020-07-11 01:11:52,029 INFO L280 TraceCheckUtils]: 9: Hoare triple {18729#true} havoc #t~short12; {18729#true} is VALID [2020-07-11 01:11:52,029 INFO L280 TraceCheckUtils]: 10: Hoare triple {18729#true} #res := ~len~1; {18729#true} is VALID [2020-07-11 01:11:52,029 INFO L280 TraceCheckUtils]: 11: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,029 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {18729#true} {18729#true} #243#return; {18729#true} is VALID [2020-07-11 01:11:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:52,054 INFO L280 TraceCheckUtils]: 0: Hoare triple {18822#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {18729#true} is VALID [2020-07-11 01:11:52,055 INFO L280 TraceCheckUtils]: 1: Hoare triple {18729#true} ~head~0.base, ~head~0.offset := 0, 0; {18729#true} is VALID [2020-07-11 01:11:52,055 INFO L280 TraceCheckUtils]: 2: Hoare triple {18729#true} #t~post2 := ~len; {18729#true} is VALID [2020-07-11 01:11:52,055 INFO L280 TraceCheckUtils]: 3: Hoare triple {18729#true} ~len := #t~post2 - 1; {18729#true} is VALID [2020-07-11 01:11:52,055 INFO L280 TraceCheckUtils]: 4: Hoare triple {18729#true} assume !!(#t~post2 > 0); {18729#true} is VALID [2020-07-11 01:11:52,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {18729#true} havoc #t~post2; {18729#true} is VALID [2020-07-11 01:11:52,056 INFO L280 TraceCheckUtils]: 6: Hoare triple {18729#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {18729#true} is VALID [2020-07-11 01:11:52,056 INFO L280 TraceCheckUtils]: 7: Hoare triple {18729#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {18729#true} is VALID [2020-07-11 01:11:52,056 INFO L280 TraceCheckUtils]: 8: Hoare triple {18729#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {18729#true} is VALID [2020-07-11 01:11:52,056 INFO L280 TraceCheckUtils]: 9: Hoare triple {18729#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {18729#true} is VALID [2020-07-11 01:11:52,056 INFO L280 TraceCheckUtils]: 10: Hoare triple {18729#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {18729#true} is VALID [2020-07-11 01:11:52,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {18729#true} #t~post2 := ~len; {18729#true} is VALID [2020-07-11 01:11:52,057 INFO L280 TraceCheckUtils]: 12: Hoare triple {18729#true} ~len := #t~post2 - 1; {18729#true} is VALID [2020-07-11 01:11:52,057 INFO L280 TraceCheckUtils]: 13: Hoare triple {18729#true} assume !!(#t~post2 > 0); {18729#true} is VALID [2020-07-11 01:11:52,057 INFO L280 TraceCheckUtils]: 14: Hoare triple {18729#true} havoc #t~post2; {18729#true} is VALID [2020-07-11 01:11:52,057 INFO L280 TraceCheckUtils]: 15: Hoare triple {18729#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {18729#true} is VALID [2020-07-11 01:11:52,058 INFO L280 TraceCheckUtils]: 16: Hoare triple {18729#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {18729#true} is VALID [2020-07-11 01:11:52,058 INFO L280 TraceCheckUtils]: 17: Hoare triple {18729#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {18729#true} is VALID [2020-07-11 01:11:52,058 INFO L280 TraceCheckUtils]: 18: Hoare triple {18729#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {18729#true} is VALID [2020-07-11 01:11:52,058 INFO L280 TraceCheckUtils]: 19: Hoare triple {18729#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {18729#true} is VALID [2020-07-11 01:11:52,058 INFO L280 TraceCheckUtils]: 20: Hoare triple {18729#true} #t~post2 := ~len; {18729#true} is VALID [2020-07-11 01:11:52,059 INFO L280 TraceCheckUtils]: 21: Hoare triple {18729#true} ~len := #t~post2 - 1; {18729#true} is VALID [2020-07-11 01:11:52,059 INFO L280 TraceCheckUtils]: 22: Hoare triple {18729#true} assume !(#t~post2 > 0); {18729#true} is VALID [2020-07-11 01:11:52,059 INFO L280 TraceCheckUtils]: 23: Hoare triple {18729#true} havoc #t~post2; {18729#true} is VALID [2020-07-11 01:11:52,059 INFO L280 TraceCheckUtils]: 24: Hoare triple {18729#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {18729#true} is VALID [2020-07-11 01:11:52,059 INFO L280 TraceCheckUtils]: 25: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,060 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {18729#true} {18729#true} #245#return; {18729#true} is VALID [2020-07-11 01:11:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:52,281 INFO L280 TraceCheckUtils]: 0: Hoare triple {18729#true} ~from := #in~from; {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:52,282 INFO L280 TraceCheckUtils]: 1: Hoare triple {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:52,283 INFO L280 TraceCheckUtils]: 2: Hoare triple {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {18824#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,284 INFO L280 TraceCheckUtils]: 3: Hoare triple {18824#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #t~short12 := ~len~1 < ~until; {18825#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until) (not |_get_nondet_int_#t~short12|))} is VALID [2020-07-11 01:11:52,286 INFO L280 TraceCheckUtils]: 4: Hoare triple {18825#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until) (not |_get_nondet_int_#t~short12|))} assume #t~short12; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,287 INFO L280 TraceCheckUtils]: 5: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,289 INFO L280 TraceCheckUtils]: 6: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} #t~short12 := 0 != #t~nondet11; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,290 INFO L280 TraceCheckUtils]: 7: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} assume !!#t~short12; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,291 INFO L280 TraceCheckUtils]: 8: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} havoc #t~nondet11; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,292 INFO L280 TraceCheckUtils]: 9: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} havoc #t~short12; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,293 INFO L280 TraceCheckUtils]: 10: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} #t~post13 := ~len~1; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,294 INFO L280 TraceCheckUtils]: 11: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} ~len~1 := 1 + #t~post13; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,294 INFO L280 TraceCheckUtils]: 12: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} havoc #t~post13; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,296 INFO L280 TraceCheckUtils]: 13: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} #t~short12 := ~len~1 < ~until; {18827#(or |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,297 INFO L280 TraceCheckUtils]: 14: Hoare triple {18827#(or |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} assume !#t~short12; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,299 INFO L280 TraceCheckUtils]: 15: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} assume !#t~short12; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,300 INFO L280 TraceCheckUtils]: 16: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} havoc #t~nondet11; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,301 INFO L280 TraceCheckUtils]: 17: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} havoc #t~short12; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,302 INFO L280 TraceCheckUtils]: 18: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} #res := ~len~1; {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} is VALID [2020-07-11 01:11:52,304 INFO L280 TraceCheckUtils]: 19: Hoare triple {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} assume true; {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} is VALID [2020-07-11 01:11:52,306 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} {18729#true} #247#return; {18797#(<= 1 |main_#t~ret16|)} is VALID [2020-07-11 01:11:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:11:52,319 INFO L280 TraceCheckUtils]: 0: Hoare triple {18729#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {18729#true} is VALID [2020-07-11 01:11:52,319 INFO L280 TraceCheckUtils]: 1: Hoare triple {18729#true} ~len~0 := 0; {18729#true} is VALID [2020-07-11 01:11:52,320 INFO L280 TraceCheckUtils]: 2: Hoare triple {18729#true} assume !!(~head.base != 0 || ~head.offset != 0); {18729#true} is VALID [2020-07-11 01:11:52,320 INFO L280 TraceCheckUtils]: 3: Hoare triple {18729#true} #t~post4 := ~len~0; {18729#true} is VALID [2020-07-11 01:11:52,320 INFO L280 TraceCheckUtils]: 4: Hoare triple {18729#true} ~len~0 := 1 + #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,321 INFO L280 TraceCheckUtils]: 5: Hoare triple {18729#true} havoc #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,321 INFO L280 TraceCheckUtils]: 6: Hoare triple {18729#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {18729#true} is VALID [2020-07-11 01:11:52,321 INFO L280 TraceCheckUtils]: 7: Hoare triple {18729#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,322 INFO L280 TraceCheckUtils]: 8: Hoare triple {18729#true} havoc #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,322 INFO L280 TraceCheckUtils]: 9: Hoare triple {18729#true} assume !!(~head.base != 0 || ~head.offset != 0); {18729#true} is VALID [2020-07-11 01:11:52,322 INFO L280 TraceCheckUtils]: 10: Hoare triple {18729#true} #t~post4 := ~len~0; {18729#true} is VALID [2020-07-11 01:11:52,323 INFO L280 TraceCheckUtils]: 11: Hoare triple {18729#true} ~len~0 := 1 + #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,323 INFO L280 TraceCheckUtils]: 12: Hoare triple {18729#true} havoc #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,323 INFO L280 TraceCheckUtils]: 13: Hoare triple {18729#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {18729#true} is VALID [2020-07-11 01:11:52,324 INFO L280 TraceCheckUtils]: 14: Hoare triple {18729#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,324 INFO L280 TraceCheckUtils]: 15: Hoare triple {18729#true} havoc #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,324 INFO L280 TraceCheckUtils]: 16: Hoare triple {18729#true} assume !(~head.base != 0 || ~head.offset != 0); {18729#true} is VALID [2020-07-11 01:11:52,325 INFO L280 TraceCheckUtils]: 17: Hoare triple {18729#true} #res := ~len~0; {18729#true} is VALID [2020-07-11 01:11:52,325 INFO L280 TraceCheckUtils]: 18: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,325 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {18729#true} {18730#false} #253#return; {18730#false} is VALID [2020-07-11 01:11:52,328 INFO L263 TraceCheckUtils]: 0: Hoare triple {18729#true} call ULTIMATE.init(); {18821#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:11:52,328 INFO L280 TraceCheckUtils]: 1: Hoare triple {18821#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {18729#true} is VALID [2020-07-11 01:11:52,329 INFO L280 TraceCheckUtils]: 2: Hoare triple {18729#true} #valid := #valid[0 := 0]; {18729#true} is VALID [2020-07-11 01:11:52,329 INFO L280 TraceCheckUtils]: 3: Hoare triple {18729#true} assume 0 < #StackHeapBarrier; {18729#true} is VALID [2020-07-11 01:11:52,329 INFO L280 TraceCheckUtils]: 4: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,330 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {18729#true} {18729#true} #259#return; {18729#true} is VALID [2020-07-11 01:11:52,330 INFO L263 TraceCheckUtils]: 6: Hoare triple {18729#true} call #t~ret24 := main(); {18729#true} is VALID [2020-07-11 01:11:52,330 INFO L263 TraceCheckUtils]: 7: Hoare triple {18729#true} call #t~ret14 := _get_nondet_int(2, 5); {18729#true} is VALID [2020-07-11 01:11:52,331 INFO L280 TraceCheckUtils]: 8: Hoare triple {18729#true} ~from := #in~from; {18729#true} is VALID [2020-07-11 01:11:52,331 INFO L280 TraceCheckUtils]: 9: Hoare triple {18729#true} ~until := #in~until; {18729#true} is VALID [2020-07-11 01:11:52,331 INFO L280 TraceCheckUtils]: 10: Hoare triple {18729#true} ~len~1 := ~from; {18729#true} is VALID [2020-07-11 01:11:52,332 INFO L280 TraceCheckUtils]: 11: Hoare triple {18729#true} #t~short12 := ~len~1 < ~until; {18729#true} is VALID [2020-07-11 01:11:52,332 INFO L280 TraceCheckUtils]: 12: Hoare triple {18729#true} assume #t~short12; {18729#true} is VALID [2020-07-11 01:11:52,332 INFO L280 TraceCheckUtils]: 13: Hoare triple {18729#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {18729#true} is VALID [2020-07-11 01:11:52,333 INFO L280 TraceCheckUtils]: 14: Hoare triple {18729#true} #t~short12 := 0 != #t~nondet11; {18729#true} is VALID [2020-07-11 01:11:52,333 INFO L280 TraceCheckUtils]: 15: Hoare triple {18729#true} assume !#t~short12; {18729#true} is VALID [2020-07-11 01:11:52,333 INFO L280 TraceCheckUtils]: 16: Hoare triple {18729#true} havoc #t~nondet11; {18729#true} is VALID [2020-07-11 01:11:52,334 INFO L280 TraceCheckUtils]: 17: Hoare triple {18729#true} havoc #t~short12; {18729#true} is VALID [2020-07-11 01:11:52,334 INFO L280 TraceCheckUtils]: 18: Hoare triple {18729#true} #res := ~len~1; {18729#true} is VALID [2020-07-11 01:11:52,334 INFO L280 TraceCheckUtils]: 19: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,334 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {18729#true} {18729#true} #243#return; {18729#true} is VALID [2020-07-11 01:11:52,335 INFO L280 TraceCheckUtils]: 21: Hoare triple {18729#true} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {18729#true} is VALID [2020-07-11 01:11:52,335 INFO L280 TraceCheckUtils]: 22: Hoare triple {18729#true} ~len~2 := #t~ret14; {18729#true} is VALID [2020-07-11 01:11:52,335 INFO L280 TraceCheckUtils]: 23: Hoare triple {18729#true} havoc #t~ret14; {18729#true} is VALID [2020-07-11 01:11:52,336 INFO L280 TraceCheckUtils]: 24: Hoare triple {18729#true} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {18729#true} is VALID [2020-07-11 01:11:52,338 INFO L263 TraceCheckUtils]: 25: Hoare triple {18729#true} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {18822#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:11:52,339 INFO L280 TraceCheckUtils]: 26: Hoare triple {18822#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {18729#true} is VALID [2020-07-11 01:11:52,339 INFO L280 TraceCheckUtils]: 27: Hoare triple {18729#true} ~head~0.base, ~head~0.offset := 0, 0; {18729#true} is VALID [2020-07-11 01:11:52,339 INFO L280 TraceCheckUtils]: 28: Hoare triple {18729#true} #t~post2 := ~len; {18729#true} is VALID [2020-07-11 01:11:52,340 INFO L280 TraceCheckUtils]: 29: Hoare triple {18729#true} ~len := #t~post2 - 1; {18729#true} is VALID [2020-07-11 01:11:52,340 INFO L280 TraceCheckUtils]: 30: Hoare triple {18729#true} assume !!(#t~post2 > 0); {18729#true} is VALID [2020-07-11 01:11:52,340 INFO L280 TraceCheckUtils]: 31: Hoare triple {18729#true} havoc #t~post2; {18729#true} is VALID [2020-07-11 01:11:52,341 INFO L280 TraceCheckUtils]: 32: Hoare triple {18729#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {18729#true} is VALID [2020-07-11 01:11:52,341 INFO L280 TraceCheckUtils]: 33: Hoare triple {18729#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {18729#true} is VALID [2020-07-11 01:11:52,341 INFO L280 TraceCheckUtils]: 34: Hoare triple {18729#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {18729#true} is VALID [2020-07-11 01:11:52,342 INFO L280 TraceCheckUtils]: 35: Hoare triple {18729#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {18729#true} is VALID [2020-07-11 01:11:52,342 INFO L280 TraceCheckUtils]: 36: Hoare triple {18729#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {18729#true} is VALID [2020-07-11 01:11:52,342 INFO L280 TraceCheckUtils]: 37: Hoare triple {18729#true} #t~post2 := ~len; {18729#true} is VALID [2020-07-11 01:11:52,343 INFO L280 TraceCheckUtils]: 38: Hoare triple {18729#true} ~len := #t~post2 - 1; {18729#true} is VALID [2020-07-11 01:11:52,343 INFO L280 TraceCheckUtils]: 39: Hoare triple {18729#true} assume !!(#t~post2 > 0); {18729#true} is VALID [2020-07-11 01:11:52,343 INFO L280 TraceCheckUtils]: 40: Hoare triple {18729#true} havoc #t~post2; {18729#true} is VALID [2020-07-11 01:11:52,343 INFO L280 TraceCheckUtils]: 41: Hoare triple {18729#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {18729#true} is VALID [2020-07-11 01:11:52,344 INFO L280 TraceCheckUtils]: 42: Hoare triple {18729#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {18729#true} is VALID [2020-07-11 01:11:52,344 INFO L280 TraceCheckUtils]: 43: Hoare triple {18729#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {18729#true} is VALID [2020-07-11 01:11:52,344 INFO L280 TraceCheckUtils]: 44: Hoare triple {18729#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {18729#true} is VALID [2020-07-11 01:11:52,345 INFO L280 TraceCheckUtils]: 45: Hoare triple {18729#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {18729#true} is VALID [2020-07-11 01:11:52,345 INFO L280 TraceCheckUtils]: 46: Hoare triple {18729#true} #t~post2 := ~len; {18729#true} is VALID [2020-07-11 01:11:52,345 INFO L280 TraceCheckUtils]: 47: Hoare triple {18729#true} ~len := #t~post2 - 1; {18729#true} is VALID [2020-07-11 01:11:52,346 INFO L280 TraceCheckUtils]: 48: Hoare triple {18729#true} assume !(#t~post2 > 0); {18729#true} is VALID [2020-07-11 01:11:52,346 INFO L280 TraceCheckUtils]: 49: Hoare triple {18729#true} havoc #t~post2; {18729#true} is VALID [2020-07-11 01:11:52,346 INFO L280 TraceCheckUtils]: 50: Hoare triple {18729#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {18729#true} is VALID [2020-07-11 01:11:52,347 INFO L280 TraceCheckUtils]: 51: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,347 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {18729#true} {18729#true} #245#return; {18729#true} is VALID [2020-07-11 01:11:52,347 INFO L280 TraceCheckUtils]: 53: Hoare triple {18729#true} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {18729#true} is VALID [2020-07-11 01:11:52,347 INFO L280 TraceCheckUtils]: 54: Hoare triple {18729#true} havoc #t~ret15.base, #t~ret15.offset; {18729#true} is VALID [2020-07-11 01:11:52,348 INFO L263 TraceCheckUtils]: 55: Hoare triple {18729#true} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {18729#true} is VALID [2020-07-11 01:11:52,350 INFO L280 TraceCheckUtils]: 56: Hoare triple {18729#true} ~from := #in~from; {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:52,351 INFO L280 TraceCheckUtils]: 57: Hoare triple {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:11:52,352 INFO L280 TraceCheckUtils]: 58: Hoare triple {18823#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {18824#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,354 INFO L280 TraceCheckUtils]: 59: Hoare triple {18824#(or (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|) (= 0 _get_nondet_int_~len~1))} #t~short12 := ~len~1 < ~until; {18825#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until) (not |_get_nondet_int_#t~short12|))} is VALID [2020-07-11 01:11:52,356 INFO L280 TraceCheckUtils]: 60: Hoare triple {18825#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until) (not |_get_nondet_int_#t~short12|))} assume #t~short12; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,357 INFO L280 TraceCheckUtils]: 61: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,359 INFO L280 TraceCheckUtils]: 62: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} #t~short12 := 0 != #t~nondet11; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,360 INFO L280 TraceCheckUtils]: 63: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} assume !!#t~short12; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,361 INFO L280 TraceCheckUtils]: 64: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} havoc #t~nondet11; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,361 INFO L280 TraceCheckUtils]: 65: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} havoc #t~short12; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,362 INFO L280 TraceCheckUtils]: 66: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} #t~post13 := ~len~1; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,363 INFO L280 TraceCheckUtils]: 67: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} ~len~1 := 1 + #t~post13; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,364 INFO L280 TraceCheckUtils]: 68: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} havoc #t~post13; {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} is VALID [2020-07-11 01:11:52,366 INFO L280 TraceCheckUtils]: 69: Hoare triple {18826#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~until))} #t~short12 := ~len~1 < ~until; {18827#(or |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,367 INFO L280 TraceCheckUtils]: 70: Hoare triple {18827#(or |_get_nondet_int_#t~short12| (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} assume !#t~short12; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,368 INFO L280 TraceCheckUtils]: 71: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} assume !#t~short12; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,369 INFO L280 TraceCheckUtils]: 72: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} havoc #t~nondet11; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,370 INFO L280 TraceCheckUtils]: 73: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} havoc #t~short12; {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} is VALID [2020-07-11 01:11:52,371 INFO L280 TraceCheckUtils]: 74: Hoare triple {18828#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 _get_nondet_int_~len~1))} #res := ~len~1; {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} is VALID [2020-07-11 01:11:52,372 INFO L280 TraceCheckUtils]: 75: Hoare triple {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} assume true; {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} is VALID [2020-07-11 01:11:52,373 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {18829#(or (not (= 0 |_get_nondet_int_#in~from|)) (<= 1 |_get_nondet_int_#res|))} {18729#true} #247#return; {18797#(<= 1 |main_#t~ret16|)} is VALID [2020-07-11 01:11:52,374 INFO L280 TraceCheckUtils]: 77: Hoare triple {18797#(<= 1 |main_#t~ret16|)} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {18797#(<= 1 |main_#t~ret16|)} is VALID [2020-07-11 01:11:52,376 INFO L280 TraceCheckUtils]: 78: Hoare triple {18797#(<= 1 |main_#t~ret16|)} ~k~0 := #t~ret16; {18798#(<= 1 main_~k~0)} is VALID [2020-07-11 01:11:52,377 INFO L280 TraceCheckUtils]: 79: Hoare triple {18798#(<= 1 main_~k~0)} havoc #t~ret16; {18798#(<= 1 main_~k~0)} is VALID [2020-07-11 01:11:52,378 INFO L280 TraceCheckUtils]: 80: Hoare triple {18798#(<= 1 main_~k~0)} ~i~0 := 0; {18799#(and (<= 1 main_~k~0) (= 0 main_~i~0))} is VALID [2020-07-11 01:11:52,379 INFO L280 TraceCheckUtils]: 81: Hoare triple {18799#(and (<= 1 main_~k~0) (= 0 main_~i~0))} #t~short18 := ~i~0 < ~k~0; {18800#|main_#t~short18|} is VALID [2020-07-11 01:11:52,380 INFO L280 TraceCheckUtils]: 82: Hoare triple {18800#|main_#t~short18|} assume !#t~short18; {18730#false} is VALID [2020-07-11 01:11:52,380 INFO L280 TraceCheckUtils]: 83: Hoare triple {18730#false} assume !#t~short18; {18730#false} is VALID [2020-07-11 01:11:52,381 INFO L280 TraceCheckUtils]: 84: Hoare triple {18730#false} havoc #t~nondet17; {18730#false} is VALID [2020-07-11 01:11:52,381 INFO L280 TraceCheckUtils]: 85: Hoare triple {18730#false} havoc #t~short18; {18730#false} is VALID [2020-07-11 01:11:52,381 INFO L280 TraceCheckUtils]: 86: Hoare triple {18730#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {18730#false} is VALID [2020-07-11 01:11:52,382 INFO L263 TraceCheckUtils]: 87: Hoare triple {18730#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {18729#true} is VALID [2020-07-11 01:11:52,382 INFO L280 TraceCheckUtils]: 88: Hoare triple {18729#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {18729#true} is VALID [2020-07-11 01:11:52,382 INFO L280 TraceCheckUtils]: 89: Hoare triple {18729#true} ~len~0 := 0; {18729#true} is VALID [2020-07-11 01:11:52,383 INFO L280 TraceCheckUtils]: 90: Hoare triple {18729#true} assume !!(~head.base != 0 || ~head.offset != 0); {18729#true} is VALID [2020-07-11 01:11:52,383 INFO L280 TraceCheckUtils]: 91: Hoare triple {18729#true} #t~post4 := ~len~0; {18729#true} is VALID [2020-07-11 01:11:52,383 INFO L280 TraceCheckUtils]: 92: Hoare triple {18729#true} ~len~0 := 1 + #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,384 INFO L280 TraceCheckUtils]: 93: Hoare triple {18729#true} havoc #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,384 INFO L280 TraceCheckUtils]: 94: Hoare triple {18729#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {18729#true} is VALID [2020-07-11 01:11:52,384 INFO L280 TraceCheckUtils]: 95: Hoare triple {18729#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,384 INFO L280 TraceCheckUtils]: 96: Hoare triple {18729#true} havoc #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,385 INFO L280 TraceCheckUtils]: 97: Hoare triple {18729#true} assume !!(~head.base != 0 || ~head.offset != 0); {18729#true} is VALID [2020-07-11 01:11:52,385 INFO L280 TraceCheckUtils]: 98: Hoare triple {18729#true} #t~post4 := ~len~0; {18729#true} is VALID [2020-07-11 01:11:52,385 INFO L280 TraceCheckUtils]: 99: Hoare triple {18729#true} ~len~0 := 1 + #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,386 INFO L280 TraceCheckUtils]: 100: Hoare triple {18729#true} havoc #t~post4; {18729#true} is VALID [2020-07-11 01:11:52,386 INFO L280 TraceCheckUtils]: 101: Hoare triple {18729#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {18729#true} is VALID [2020-07-11 01:11:52,386 INFO L280 TraceCheckUtils]: 102: Hoare triple {18729#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,387 INFO L280 TraceCheckUtils]: 103: Hoare triple {18729#true} havoc #t~mem5.base, #t~mem5.offset; {18729#true} is VALID [2020-07-11 01:11:52,387 INFO L280 TraceCheckUtils]: 104: Hoare triple {18729#true} assume !(~head.base != 0 || ~head.offset != 0); {18729#true} is VALID [2020-07-11 01:11:52,387 INFO L280 TraceCheckUtils]: 105: Hoare triple {18729#true} #res := ~len~0; {18729#true} is VALID [2020-07-11 01:11:52,388 INFO L280 TraceCheckUtils]: 106: Hoare triple {18729#true} assume true; {18729#true} is VALID [2020-07-11 01:11:52,388 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {18729#true} {18730#false} #253#return; {18730#false} is VALID [2020-07-11 01:11:52,388 INFO L280 TraceCheckUtils]: 108: Hoare triple {18730#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {18730#false} is VALID [2020-07-11 01:11:52,389 INFO L280 TraceCheckUtils]: 109: Hoare triple {18730#false} assume ~k~0 + ~len~2 != #t~ret22; {18730#false} is VALID [2020-07-11 01:11:52,389 INFO L280 TraceCheckUtils]: 110: Hoare triple {18730#false} havoc #t~mem21.base, #t~mem21.offset; {18730#false} is VALID [2020-07-11 01:11:52,389 INFO L280 TraceCheckUtils]: 111: Hoare triple {18730#false} havoc #t~ret22; {18730#false} is VALID [2020-07-11 01:11:52,389 INFO L280 TraceCheckUtils]: 112: Hoare triple {18730#false} assume !false; {18730#false} is VALID [2020-07-11 01:11:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-11 01:11:52,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453042752] [2020-07-11 01:11:52,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:11:52,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-11 01:11:52,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081070220] [2020-07-11 01:11:52,412 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2020-07-11 01:11:52,412 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:11:52,412 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-11 01:11:52,560 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:52,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-11 01:11:52,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:11:52,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-11 01:11:52,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-07-11 01:11:52,562 INFO L87 Difference]: Start difference. First operand 297 states and 346 transitions. Second operand 15 states. [2020-07-11 01:11:53,478 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-07-11 01:11:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:11:59,392 INFO L93 Difference]: Finished difference Result 542 states and 648 transitions. [2020-07-11 01:11:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-11 01:11:59,392 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2020-07-11 01:11:59,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:11:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-11 01:11:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 359 transitions. [2020-07-11 01:11:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-11 01:11:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 359 transitions. [2020-07-11 01:11:59,399 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 359 transitions. [2020-07-11 01:11:59,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 359 edges. 359 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:11:59,959 INFO L225 Difference]: With dead ends: 542 [2020-07-11 01:11:59,960 INFO L226 Difference]: Without dead ends: 407 [2020-07-11 01:11:59,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2020-07-11 01:11:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-11 01:12:01,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 321. [2020-07-11 01:12:01,429 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:12:01,429 INFO L82 GeneralOperation]: Start isEquivalent. First operand 407 states. Second operand 321 states. [2020-07-11 01:12:01,429 INFO L74 IsIncluded]: Start isIncluded. First operand 407 states. Second operand 321 states. [2020-07-11 01:12:01,429 INFO L87 Difference]: Start difference. First operand 407 states. Second operand 321 states. [2020-07-11 01:12:01,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:12:01,444 INFO L93 Difference]: Finished difference Result 407 states and 493 transitions. [2020-07-11 01:12:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 493 transitions. [2020-07-11 01:12:01,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:12:01,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:12:01,447 INFO L74 IsIncluded]: Start isIncluded. First operand 321 states. Second operand 407 states. [2020-07-11 01:12:01,447 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 407 states. [2020-07-11 01:12:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:12:01,463 INFO L93 Difference]: Finished difference Result 407 states and 493 transitions. [2020-07-11 01:12:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 493 transitions. [2020-07-11 01:12:01,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:12:01,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:12:01,465 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:12:01,465 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:12:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-07-11 01:12:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 380 transitions. [2020-07-11 01:12:01,475 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 380 transitions. Word has length 113 [2020-07-11 01:12:01,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:12:01,475 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 380 transitions. [2020-07-11 01:12:01,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-11 01:12:01,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 321 states and 380 transitions. [2020-07-11 01:12:02,587 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 380 edges. 380 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:12:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 380 transitions. [2020-07-11 01:12:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-11 01:12:02,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:12:02,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:12:02,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-11 01:12:02,592 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:12:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:12:02,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1389369769, now seen corresponding path program 3 times [2020-07-11 01:12:02,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:12:02,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21339046] [2020-07-11 01:12:02,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:12:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:12:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:12:02,660 INFO L280 TraceCheckUtils]: 0: Hoare triple {21516#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {21426#true} is VALID [2020-07-11 01:12:02,660 INFO L280 TraceCheckUtils]: 1: Hoare triple {21426#true} #valid := #valid[0 := 0]; {21426#true} is VALID [2020-07-11 01:12:02,660 INFO L280 TraceCheckUtils]: 2: Hoare triple {21426#true} assume 0 < #StackHeapBarrier; {21426#true} is VALID [2020-07-11 01:12:02,661 INFO L280 TraceCheckUtils]: 3: Hoare triple {21426#true} assume true; {21426#true} is VALID [2020-07-11 01:12:02,661 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {21426#true} {21426#true} #259#return; {21426#true} is VALID [2020-07-11 01:12:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:12:02,785 INFO L280 TraceCheckUtils]: 0: Hoare triple {21426#true} ~from := #in~from; {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:12:02,786 INFO L280 TraceCheckUtils]: 1: Hoare triple {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:12:02,787 INFO L280 TraceCheckUtils]: 2: Hoare triple {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,788 INFO L280 TraceCheckUtils]: 3: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,789 INFO L280 TraceCheckUtils]: 4: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,790 INFO L280 TraceCheckUtils]: 5: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,792 INFO L280 TraceCheckUtils]: 6: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,814 INFO L280 TraceCheckUtils]: 7: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,816 INFO L280 TraceCheckUtils]: 8: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,819 INFO L280 TraceCheckUtils]: 9: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:02,825 INFO L280 TraceCheckUtils]: 10: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {21519#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,832 INFO L280 TraceCheckUtils]: 11: Hoare triple {21519#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,834 INFO L280 TraceCheckUtils]: 12: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,836 INFO L280 TraceCheckUtils]: 13: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,837 INFO L280 TraceCheckUtils]: 14: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,838 INFO L280 TraceCheckUtils]: 15: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,839 INFO L280 TraceCheckUtils]: 16: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,840 INFO L280 TraceCheckUtils]: 17: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,841 INFO L280 TraceCheckUtils]: 18: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,843 INFO L280 TraceCheckUtils]: 20: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,845 INFO L280 TraceCheckUtils]: 21: Hoare triple {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:02,848 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {21426#true} #243#return; {21456#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:12:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:12:03,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {21522#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {21523#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:12:03,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {21523#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {21523#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:12:03,159 INFO L280 TraceCheckUtils]: 2: Hoare triple {21523#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {21524#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:12:03,161 INFO L280 TraceCheckUtils]: 3: Hoare triple {21524#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,162 INFO L280 TraceCheckUtils]: 4: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,163 INFO L280 TraceCheckUtils]: 5: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,164 INFO L280 TraceCheckUtils]: 6: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,165 INFO L280 TraceCheckUtils]: 7: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,166 INFO L280 TraceCheckUtils]: 8: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,167 INFO L280 TraceCheckUtils]: 9: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,168 INFO L280 TraceCheckUtils]: 10: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,170 INFO L280 TraceCheckUtils]: 11: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {21526#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:12:03,171 INFO L280 TraceCheckUtils]: 12: Hoare triple {21526#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,172 INFO L280 TraceCheckUtils]: 13: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} assume !!(#t~post2 > 0); {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,173 INFO L280 TraceCheckUtils]: 14: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} havoc #t~post2; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,174 INFO L280 TraceCheckUtils]: 15: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,175 INFO L280 TraceCheckUtils]: 16: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,176 INFO L280 TraceCheckUtils]: 17: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,177 INFO L280 TraceCheckUtils]: 18: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,179 INFO L280 TraceCheckUtils]: 19: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,179 INFO L280 TraceCheckUtils]: 20: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} #t~post2 := ~len; {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} is VALID [2020-07-11 01:12:03,180 INFO L280 TraceCheckUtils]: 21: Hoare triple {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} ~len := #t~post2 - 1; {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} is VALID [2020-07-11 01:12:03,181 INFO L280 TraceCheckUtils]: 22: Hoare triple {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} assume !(#t~post2 > 0); {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,182 INFO L280 TraceCheckUtils]: 23: Hoare triple {21529#(<= |sll_create_#in~len| 2)} havoc #t~post2; {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,183 INFO L280 TraceCheckUtils]: 24: Hoare triple {21529#(<= |sll_create_#in~len| 2)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,183 INFO L280 TraceCheckUtils]: 25: Hoare triple {21529#(<= |sll_create_#in~len| 2)} assume true; {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,185 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {21529#(<= |sll_create_#in~len| 2)} {21457#(<= 3 main_~len~2)} #245#return; {21427#false} is VALID [2020-07-11 01:12:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:12:03,190 INFO L280 TraceCheckUtils]: 0: Hoare triple {21426#true} ~from := #in~from; {21426#true} is VALID [2020-07-11 01:12:03,191 INFO L280 TraceCheckUtils]: 1: Hoare triple {21426#true} ~until := #in~until; {21426#true} is VALID [2020-07-11 01:12:03,191 INFO L280 TraceCheckUtils]: 2: Hoare triple {21426#true} ~len~1 := ~from; {21426#true} is VALID [2020-07-11 01:12:03,191 INFO L280 TraceCheckUtils]: 3: Hoare triple {21426#true} #t~short12 := ~len~1 < ~until; {21426#true} is VALID [2020-07-11 01:12:03,191 INFO L280 TraceCheckUtils]: 4: Hoare triple {21426#true} assume !#t~short12; {21426#true} is VALID [2020-07-11 01:12:03,191 INFO L280 TraceCheckUtils]: 5: Hoare triple {21426#true} assume !#t~short12; {21426#true} is VALID [2020-07-11 01:12:03,192 INFO L280 TraceCheckUtils]: 6: Hoare triple {21426#true} havoc #t~nondet11; {21426#true} is VALID [2020-07-11 01:12:03,192 INFO L280 TraceCheckUtils]: 7: Hoare triple {21426#true} havoc #t~short12; {21426#true} is VALID [2020-07-11 01:12:03,192 INFO L280 TraceCheckUtils]: 8: Hoare triple {21426#true} #res := ~len~1; {21426#true} is VALID [2020-07-11 01:12:03,192 INFO L280 TraceCheckUtils]: 9: Hoare triple {21426#true} assume true; {21426#true} is VALID [2020-07-11 01:12:03,192 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {21426#true} {21427#false} #247#return; {21427#false} is VALID [2020-07-11 01:12:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:12:03,199 INFO L280 TraceCheckUtils]: 0: Hoare triple {21426#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {21426#true} is VALID [2020-07-11 01:12:03,199 INFO L280 TraceCheckUtils]: 1: Hoare triple {21426#true} ~len~0 := 0; {21426#true} is VALID [2020-07-11 01:12:03,199 INFO L280 TraceCheckUtils]: 2: Hoare triple {21426#true} assume !!(~head.base != 0 || ~head.offset != 0); {21426#true} is VALID [2020-07-11 01:12:03,200 INFO L280 TraceCheckUtils]: 3: Hoare triple {21426#true} #t~post4 := ~len~0; {21426#true} is VALID [2020-07-11 01:12:03,200 INFO L280 TraceCheckUtils]: 4: Hoare triple {21426#true} ~len~0 := 1 + #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,200 INFO L280 TraceCheckUtils]: 5: Hoare triple {21426#true} havoc #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,200 INFO L280 TraceCheckUtils]: 6: Hoare triple {21426#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {21426#true} is VALID [2020-07-11 01:12:03,201 INFO L280 TraceCheckUtils]: 7: Hoare triple {21426#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,201 INFO L280 TraceCheckUtils]: 8: Hoare triple {21426#true} havoc #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,201 INFO L280 TraceCheckUtils]: 9: Hoare triple {21426#true} assume !!(~head.base != 0 || ~head.offset != 0); {21426#true} is VALID [2020-07-11 01:12:03,201 INFO L280 TraceCheckUtils]: 10: Hoare triple {21426#true} #t~post4 := ~len~0; {21426#true} is VALID [2020-07-11 01:12:03,201 INFO L280 TraceCheckUtils]: 11: Hoare triple {21426#true} ~len~0 := 1 + #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,202 INFO L280 TraceCheckUtils]: 12: Hoare triple {21426#true} havoc #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,202 INFO L280 TraceCheckUtils]: 13: Hoare triple {21426#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {21426#true} is VALID [2020-07-11 01:12:03,202 INFO L280 TraceCheckUtils]: 14: Hoare triple {21426#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,202 INFO L280 TraceCheckUtils]: 15: Hoare triple {21426#true} havoc #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,202 INFO L280 TraceCheckUtils]: 16: Hoare triple {21426#true} assume !(~head.base != 0 || ~head.offset != 0); {21426#true} is VALID [2020-07-11 01:12:03,203 INFO L280 TraceCheckUtils]: 17: Hoare triple {21426#true} #res := ~len~0; {21426#true} is VALID [2020-07-11 01:12:03,203 INFO L280 TraceCheckUtils]: 18: Hoare triple {21426#true} assume true; {21426#true} is VALID [2020-07-11 01:12:03,203 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {21426#true} {21427#false} #253#return; {21427#false} is VALID [2020-07-11 01:12:03,204 INFO L263 TraceCheckUtils]: 0: Hoare triple {21426#true} call ULTIMATE.init(); {21516#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 01:12:03,205 INFO L280 TraceCheckUtils]: 1: Hoare triple {21516#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {21426#true} is VALID [2020-07-11 01:12:03,205 INFO L280 TraceCheckUtils]: 2: Hoare triple {21426#true} #valid := #valid[0 := 0]; {21426#true} is VALID [2020-07-11 01:12:03,205 INFO L280 TraceCheckUtils]: 3: Hoare triple {21426#true} assume 0 < #StackHeapBarrier; {21426#true} is VALID [2020-07-11 01:12:03,205 INFO L280 TraceCheckUtils]: 4: Hoare triple {21426#true} assume true; {21426#true} is VALID [2020-07-11 01:12:03,206 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {21426#true} {21426#true} #259#return; {21426#true} is VALID [2020-07-11 01:12:03,206 INFO L263 TraceCheckUtils]: 6: Hoare triple {21426#true} call #t~ret24 := main(); {21426#true} is VALID [2020-07-11 01:12:03,206 INFO L263 TraceCheckUtils]: 7: Hoare triple {21426#true} call #t~ret14 := _get_nondet_int(2, 5); {21426#true} is VALID [2020-07-11 01:12:03,207 INFO L280 TraceCheckUtils]: 8: Hoare triple {21426#true} ~from := #in~from; {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:12:03,208 INFO L280 TraceCheckUtils]: 9: Hoare triple {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-11 01:12:03,208 INFO L280 TraceCheckUtils]: 10: Hoare triple {21517#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,209 INFO L280 TraceCheckUtils]: 11: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,210 INFO L280 TraceCheckUtils]: 12: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,210 INFO L280 TraceCheckUtils]: 13: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,211 INFO L280 TraceCheckUtils]: 14: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,213 INFO L280 TraceCheckUtils]: 15: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,214 INFO L280 TraceCheckUtils]: 16: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,215 INFO L280 TraceCheckUtils]: 17: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-11 01:12:03,216 INFO L280 TraceCheckUtils]: 18: Hoare triple {21518#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {21519#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,218 INFO L280 TraceCheckUtils]: 19: Hoare triple {21519#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,219 INFO L280 TraceCheckUtils]: 20: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,220 INFO L280 TraceCheckUtils]: 21: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,221 INFO L280 TraceCheckUtils]: 22: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,223 INFO L280 TraceCheckUtils]: 23: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,224 INFO L280 TraceCheckUtils]: 24: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,225 INFO L280 TraceCheckUtils]: 25: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,226 INFO L280 TraceCheckUtils]: 26: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,227 INFO L280 TraceCheckUtils]: 27: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,228 INFO L280 TraceCheckUtils]: 28: Hoare triple {21520#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,230 INFO L280 TraceCheckUtils]: 29: Hoare triple {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-11 01:12:03,231 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {21521#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {21426#true} #243#return; {21456#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:12:03,232 INFO L280 TraceCheckUtils]: 31: Hoare triple {21456#(<= 3 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {21456#(<= 3 |main_#t~ret14|)} is VALID [2020-07-11 01:12:03,234 INFO L280 TraceCheckUtils]: 32: Hoare triple {21456#(<= 3 |main_#t~ret14|)} ~len~2 := #t~ret14; {21457#(<= 3 main_~len~2)} is VALID [2020-07-11 01:12:03,235 INFO L280 TraceCheckUtils]: 33: Hoare triple {21457#(<= 3 main_~len~2)} havoc #t~ret14; {21457#(<= 3 main_~len~2)} is VALID [2020-07-11 01:12:03,236 INFO L280 TraceCheckUtils]: 34: Hoare triple {21457#(<= 3 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {21457#(<= 3 main_~len~2)} is VALID [2020-07-11 01:12:03,238 INFO L263 TraceCheckUtils]: 35: Hoare triple {21457#(<= 3 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {21522#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:12:03,239 INFO L280 TraceCheckUtils]: 36: Hoare triple {21522#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {21523#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:12:03,240 INFO L280 TraceCheckUtils]: 37: Hoare triple {21523#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {21523#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-11 01:12:03,241 INFO L280 TraceCheckUtils]: 38: Hoare triple {21523#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {21524#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-11 01:12:03,242 INFO L280 TraceCheckUtils]: 39: Hoare triple {21524#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,244 INFO L280 TraceCheckUtils]: 40: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,245 INFO L280 TraceCheckUtils]: 41: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,246 INFO L280 TraceCheckUtils]: 42: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,247 INFO L280 TraceCheckUtils]: 43: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,248 INFO L280 TraceCheckUtils]: 44: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,249 INFO L280 TraceCheckUtils]: 45: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,250 INFO L280 TraceCheckUtils]: 46: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-11 01:12:03,251 INFO L280 TraceCheckUtils]: 47: Hoare triple {21525#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {21526#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-11 01:12:03,253 INFO L280 TraceCheckUtils]: 48: Hoare triple {21526#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,254 INFO L280 TraceCheckUtils]: 49: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} assume !!(#t~post2 > 0); {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,255 INFO L280 TraceCheckUtils]: 50: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} havoc #t~post2; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,256 INFO L280 TraceCheckUtils]: 51: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,257 INFO L280 TraceCheckUtils]: 52: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,258 INFO L280 TraceCheckUtils]: 53: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,259 INFO L280 TraceCheckUtils]: 54: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,260 INFO L280 TraceCheckUtils]: 55: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} is VALID [2020-07-11 01:12:03,261 INFO L280 TraceCheckUtils]: 56: Hoare triple {21527#(<= |sll_create_#in~len| (+ sll_create_~len 2))} #t~post2 := ~len; {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} is VALID [2020-07-11 01:12:03,262 INFO L280 TraceCheckUtils]: 57: Hoare triple {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} ~len := #t~post2 - 1; {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} is VALID [2020-07-11 01:12:03,264 INFO L280 TraceCheckUtils]: 58: Hoare triple {21528#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 2))} assume !(#t~post2 > 0); {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,265 INFO L280 TraceCheckUtils]: 59: Hoare triple {21529#(<= |sll_create_#in~len| 2)} havoc #t~post2; {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,266 INFO L280 TraceCheckUtils]: 60: Hoare triple {21529#(<= |sll_create_#in~len| 2)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,267 INFO L280 TraceCheckUtils]: 61: Hoare triple {21529#(<= |sll_create_#in~len| 2)} assume true; {21529#(<= |sll_create_#in~len| 2)} is VALID [2020-07-11 01:12:03,269 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {21529#(<= |sll_create_#in~len| 2)} {21457#(<= 3 main_~len~2)} #245#return; {21427#false} is VALID [2020-07-11 01:12:03,269 INFO L280 TraceCheckUtils]: 63: Hoare triple {21427#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {21427#false} is VALID [2020-07-11 01:12:03,270 INFO L280 TraceCheckUtils]: 64: Hoare triple {21427#false} havoc #t~ret15.base, #t~ret15.offset; {21427#false} is VALID [2020-07-11 01:12:03,270 INFO L263 TraceCheckUtils]: 65: Hoare triple {21427#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {21426#true} is VALID [2020-07-11 01:12:03,270 INFO L280 TraceCheckUtils]: 66: Hoare triple {21426#true} ~from := #in~from; {21426#true} is VALID [2020-07-11 01:12:03,271 INFO L280 TraceCheckUtils]: 67: Hoare triple {21426#true} ~until := #in~until; {21426#true} is VALID [2020-07-11 01:12:03,271 INFO L280 TraceCheckUtils]: 68: Hoare triple {21426#true} ~len~1 := ~from; {21426#true} is VALID [2020-07-11 01:12:03,271 INFO L280 TraceCheckUtils]: 69: Hoare triple {21426#true} #t~short12 := ~len~1 < ~until; {21426#true} is VALID [2020-07-11 01:12:03,272 INFO L280 TraceCheckUtils]: 70: Hoare triple {21426#true} assume !#t~short12; {21426#true} is VALID [2020-07-11 01:12:03,272 INFO L280 TraceCheckUtils]: 71: Hoare triple {21426#true} assume !#t~short12; {21426#true} is VALID [2020-07-11 01:12:03,272 INFO L280 TraceCheckUtils]: 72: Hoare triple {21426#true} havoc #t~nondet11; {21426#true} is VALID [2020-07-11 01:12:03,273 INFO L280 TraceCheckUtils]: 73: Hoare triple {21426#true} havoc #t~short12; {21426#true} is VALID [2020-07-11 01:12:03,273 INFO L280 TraceCheckUtils]: 74: Hoare triple {21426#true} #res := ~len~1; {21426#true} is VALID [2020-07-11 01:12:03,273 INFO L280 TraceCheckUtils]: 75: Hoare triple {21426#true} assume true; {21426#true} is VALID [2020-07-11 01:12:03,274 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {21426#true} {21427#false} #247#return; {21427#false} is VALID [2020-07-11 01:12:03,274 INFO L280 TraceCheckUtils]: 77: Hoare triple {21427#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {21427#false} is VALID [2020-07-11 01:12:03,274 INFO L280 TraceCheckUtils]: 78: Hoare triple {21427#false} ~k~0 := #t~ret16; {21427#false} is VALID [2020-07-11 01:12:03,275 INFO L280 TraceCheckUtils]: 79: Hoare triple {21427#false} havoc #t~ret16; {21427#false} is VALID [2020-07-11 01:12:03,275 INFO L280 TraceCheckUtils]: 80: Hoare triple {21427#false} ~i~0 := 0; {21427#false} is VALID [2020-07-11 01:12:03,275 INFO L280 TraceCheckUtils]: 81: Hoare triple {21427#false} #t~short18 := ~i~0 < ~k~0; {21427#false} is VALID [2020-07-11 01:12:03,275 INFO L280 TraceCheckUtils]: 82: Hoare triple {21427#false} assume !#t~short18; {21427#false} is VALID [2020-07-11 01:12:03,275 INFO L280 TraceCheckUtils]: 83: Hoare triple {21427#false} assume !#t~short18; {21427#false} is VALID [2020-07-11 01:12:03,276 INFO L280 TraceCheckUtils]: 84: Hoare triple {21427#false} havoc #t~nondet17; {21427#false} is VALID [2020-07-11 01:12:03,276 INFO L280 TraceCheckUtils]: 85: Hoare triple {21427#false} havoc #t~short18; {21427#false} is VALID [2020-07-11 01:12:03,276 INFO L280 TraceCheckUtils]: 86: Hoare triple {21427#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {21427#false} is VALID [2020-07-11 01:12:03,276 INFO L263 TraceCheckUtils]: 87: Hoare triple {21427#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {21426#true} is VALID [2020-07-11 01:12:03,276 INFO L280 TraceCheckUtils]: 88: Hoare triple {21426#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {21426#true} is VALID [2020-07-11 01:12:03,277 INFO L280 TraceCheckUtils]: 89: Hoare triple {21426#true} ~len~0 := 0; {21426#true} is VALID [2020-07-11 01:12:03,277 INFO L280 TraceCheckUtils]: 90: Hoare triple {21426#true} assume !!(~head.base != 0 || ~head.offset != 0); {21426#true} is VALID [2020-07-11 01:12:03,277 INFO L280 TraceCheckUtils]: 91: Hoare triple {21426#true} #t~post4 := ~len~0; {21426#true} is VALID [2020-07-11 01:12:03,278 INFO L280 TraceCheckUtils]: 92: Hoare triple {21426#true} ~len~0 := 1 + #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,278 INFO L280 TraceCheckUtils]: 93: Hoare triple {21426#true} havoc #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,278 INFO L280 TraceCheckUtils]: 94: Hoare triple {21426#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {21426#true} is VALID [2020-07-11 01:12:03,279 INFO L280 TraceCheckUtils]: 95: Hoare triple {21426#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,279 INFO L280 TraceCheckUtils]: 96: Hoare triple {21426#true} havoc #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,279 INFO L280 TraceCheckUtils]: 97: Hoare triple {21426#true} assume !!(~head.base != 0 || ~head.offset != 0); {21426#true} is VALID [2020-07-11 01:12:03,280 INFO L280 TraceCheckUtils]: 98: Hoare triple {21426#true} #t~post4 := ~len~0; {21426#true} is VALID [2020-07-11 01:12:03,280 INFO L280 TraceCheckUtils]: 99: Hoare triple {21426#true} ~len~0 := 1 + #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,280 INFO L280 TraceCheckUtils]: 100: Hoare triple {21426#true} havoc #t~post4; {21426#true} is VALID [2020-07-11 01:12:03,280 INFO L280 TraceCheckUtils]: 101: Hoare triple {21426#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4); srcloc: L579 {21426#true} is VALID [2020-07-11 01:12:03,281 INFO L280 TraceCheckUtils]: 102: Hoare triple {21426#true} ~head.base, ~head.offset := #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,281 INFO L280 TraceCheckUtils]: 103: Hoare triple {21426#true} havoc #t~mem5.base, #t~mem5.offset; {21426#true} is VALID [2020-07-11 01:12:03,281 INFO L280 TraceCheckUtils]: 104: Hoare triple {21426#true} assume !(~head.base != 0 || ~head.offset != 0); {21426#true} is VALID [2020-07-11 01:12:03,282 INFO L280 TraceCheckUtils]: 105: Hoare triple {21426#true} #res := ~len~0; {21426#true} is VALID [2020-07-11 01:12:03,282 INFO L280 TraceCheckUtils]: 106: Hoare triple {21426#true} assume true; {21426#true} is VALID [2020-07-11 01:12:03,282 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {21426#true} {21427#false} #253#return; {21427#false} is VALID [2020-07-11 01:12:03,283 INFO L280 TraceCheckUtils]: 108: Hoare triple {21427#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {21427#false} is VALID [2020-07-11 01:12:03,283 INFO L280 TraceCheckUtils]: 109: Hoare triple {21427#false} assume ~k~0 + ~len~2 != #t~ret22; {21427#false} is VALID [2020-07-11 01:12:03,283 INFO L280 TraceCheckUtils]: 110: Hoare triple {21427#false} havoc #t~mem21.base, #t~mem21.offset; {21427#false} is VALID [2020-07-11 01:12:03,284 INFO L280 TraceCheckUtils]: 111: Hoare triple {21427#false} havoc #t~ret22; {21427#false} is VALID [2020-07-11 01:12:03,284 INFO L280 TraceCheckUtils]: 112: Hoare triple {21427#false} assume !false; {21427#false} is VALID [2020-07-11 01:12:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-11 01:12:03,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21339046] [2020-07-11 01:12:03,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:12:03,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-11 01:12:03,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502808376] [2020-07-11 01:12:03,315 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 113 [2020-07-11 01:12:03,316 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:12:03,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-11 01:12:03,501 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:12:03,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-11 01:12:03,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:12:03,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-11 01:12:03,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2020-07-11 01:12:03,503 INFO L87 Difference]: Start difference. First operand 321 states and 380 transitions. Second operand 18 states. [2020-07-11 01:12:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:12:12,546 INFO L93 Difference]: Finished difference Result 536 states and 631 transitions. [2020-07-11 01:12:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-11 01:12:12,546 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 113 [2020-07-11 01:12:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:12:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-11 01:12:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 339 transitions. [2020-07-11 01:12:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-11 01:12:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 339 transitions. [2020-07-11 01:12:12,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 339 transitions. [2020-07-11 01:12:13,218 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 339 edges. 339 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:12:13,229 INFO L225 Difference]: With dead ends: 536 [2020-07-11 01:12:13,229 INFO L226 Difference]: Without dead ends: 377 [2020-07-11 01:12:13,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=219, Invalid=1263, Unknown=0, NotChecked=0, Total=1482 [2020-07-11 01:12:13,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-11 01:12:14,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 318. [2020-07-11 01:12:14,930 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:12:14,931 INFO L82 GeneralOperation]: Start isEquivalent. First operand 377 states. Second operand 318 states. [2020-07-11 01:12:14,931 INFO L74 IsIncluded]: Start isIncluded. First operand 377 states. Second operand 318 states. [2020-07-11 01:12:14,931 INFO L87 Difference]: Start difference. First operand 377 states. Second operand 318 states. [2020-07-11 01:12:14,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:12:14,941 INFO L93 Difference]: Finished difference Result 377 states and 448 transitions. [2020-07-11 01:12:14,941 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 448 transitions. [2020-07-11 01:12:14,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:12:14,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:12:14,943 INFO L74 IsIncluded]: Start isIncluded. First operand 318 states. Second operand 377 states. [2020-07-11 01:12:14,943 INFO L87 Difference]: Start difference. First operand 318 states. Second operand 377 states. [2020-07-11 01:12:14,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:12:14,955 INFO L93 Difference]: Finished difference Result 377 states and 448 transitions. [2020-07-11 01:12:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 448 transitions. [2020-07-11 01:12:14,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:12:14,956 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:12:14,956 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:12:14,956 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:12:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-11 01:12:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 371 transitions. [2020-07-11 01:12:14,964 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 371 transitions. Word has length 113 [2020-07-11 01:12:14,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:12:14,965 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 371 transitions. [2020-07-11 01:12:14,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-11 01:12:14,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 318 states and 371 transitions. [2020-07-11 01:12:16,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 371 edges. 371 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:12:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 371 transitions. [2020-07-11 01:12:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-11 01:12:16,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:12:16,086 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:12:16,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-11 01:12:16,087 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:12:16,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:12:16,087 INFO L82 PathProgramCache]: Analyzing trace with hash 2144590086, now seen corresponding path program 1 times [2020-07-11 01:12:16,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:12:16,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716369690] [2020-07-11 01:12:16,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:12:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:12:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:12:16,178 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 01:12:16,179 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 01:12:16,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: myexitENTRY has no Hoare annotation [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: sll_destroyENTRY has no Hoare annotation [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: _get_nondet_intENTRY has no Hoare annotation [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:12:16,267 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: sll_createENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: sll_insertENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: sll_lengthENTRY has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: L584-2 has no Hoare annotation [2020-07-11 01:12:16,268 WARN L170 areAnnotationChecker]: L584-2 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L584-2 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L608 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-11 01:12:16,269 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L584-3 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L585 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L609 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L565-6 has no Hoare annotation [2020-07-11 01:12:16,270 WARN L170 areAnnotationChecker]: L565-6 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L616-1 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L577-2 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L577-2 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L577-2 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: sll_destroyEXIT has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L585-1 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L610-11 has no Hoare annotation [2020-07-11 01:12:16,271 WARN L170 areAnnotationChecker]: L610-11 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L565-7 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L591-1 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L616-2 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L577-3 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 01:12:16,272 WARN L170 areAnnotationChecker]: L628-2 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L585-2 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L610-12 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L610-1 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L610-1 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: sll_createFINAL has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L565-2 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L565-2 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-11 01:12:16,273 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: sll_lengthFINAL has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L578-1 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: _get_nondet_intFINAL has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L610-2 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L610-5 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L610-5 has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: sll_createEXIT has no Hoare annotation [2020-07-11 01:12:16,274 WARN L170 areAnnotationChecker]: L565-3 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L565-5 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L617-1 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L617-1 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: sll_lengthEXIT has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L578-2 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L617-4 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: L586-1 has no Hoare annotation [2020-07-11 01:12:16,275 WARN L170 areAnnotationChecker]: _get_nondet_intEXIT has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: _get_nondet_intEXIT has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: _get_nondet_intEXIT has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L610-3 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L610-6 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L610-9 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L617-2 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L625-1 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-11 01:12:16,276 WARN L170 areAnnotationChecker]: L617-5 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L618-1 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L621-1 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L610-7 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L610-10 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L617-3 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L566-1 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L625-2 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L625-2 has no Hoare annotation [2020-07-11 01:12:16,277 WARN L170 areAnnotationChecker]: L579-1 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L618-2 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L621-2 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-11 01:12:16,278 WARN L170 areAnnotationChecker]: L596-2 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L625-3 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L625-5 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L579-2 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L618-3 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L621-3 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L611-1 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-11 01:12:16,279 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L567-1 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L597-6 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L597-6 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L625-4 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L625-6 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L622 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L622 has no Hoare annotation [2020-07-11 01:12:16,280 WARN L170 areAnnotationChecker]: L611-2 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L597-7 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L597-1 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L620-11 has no Hoare annotation [2020-07-11 01:12:16,281 WARN L170 areAnnotationChecker]: L620-11 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L622-1 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L631 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L628-1 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L628-1 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L620-12 has no Hoare annotation [2020-07-11 01:12:16,282 WARN L170 areAnnotationChecker]: L620-1 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L620-1 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L603 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L597-3 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L597-5 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L617-6 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-11 01:12:16,283 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L620-2 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L620-5 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L620-5 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L623-1 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L605-1 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L617-7 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L620-3 has no Hoare annotation [2020-07-11 01:12:16,284 WARN L170 areAnnotationChecker]: L620-6 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L620-9 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: sll_insertEXIT has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L599 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L620-7 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L620-10 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L599-1 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L621 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L621 has no Hoare annotation [2020-07-11 01:12:16,285 WARN L170 areAnnotationChecker]: L599-2 has no Hoare annotation [2020-07-11 01:12:16,286 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 01:12:16,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 01:12:16 BoogieIcfgContainer [2020-07-11 01:12:16,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 01:12:16,292 INFO L168 Benchmark]: Toolchain (without parser) took 114839.28 ms. Allocated memory was 145.2 MB in the beginning and 669.0 MB in the end (delta: 523.8 MB). Free memory was 102.6 MB in the beginning and 194.5 MB in the end (delta: -91.9 MB). Peak memory consumption was 431.9 MB. Max. memory is 7.1 GB. [2020-07-11 01:12:16,293 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 01:12:16,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.43 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 102.4 MB in the beginning and 169.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-11 01:12:16,294 INFO L168 Benchmark]: Boogie Preprocessor took 79.48 ms. Allocated memory is still 204.5 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-11 01:12:16,294 INFO L168 Benchmark]: RCFGBuilder took 1020.00 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 203.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-07-11 01:12:16,295 INFO L168 Benchmark]: TraceAbstraction took 113024.97 ms. Allocated memory was 237.5 MB in the beginning and 669.0 MB in the end (delta: 431.5 MB). Free memory was 203.5 MB in the beginning and 194.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 440.6 MB. Max. memory is 7.1 GB. [2020-07-11 01:12:16,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.43 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 102.4 MB in the beginning and 169.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.48 ms. Allocated memory is still 204.5 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1020.00 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 203.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 113024.97 ms. Allocated memory was 237.5 MB in the beginning and 669.0 MB in the end (delta: 431.5 MB). Free memory was 203.5 MB in the beginning and 194.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 440.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 630]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L616] CALL, EXPR _get_nondet_int(2, 5) VAL [\old(from)=2, \old(until)=5] [L609] int len = from; VAL [\old(from)=2, \old(until)=5, from=2, len=2, until=5] [L610] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, from=2, len=2, len < until && __VERIFIER_nondet_int()=1, until=5] [L610] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, __VERIFIER_nondet_int()=0, from=2, len=2, len < until && __VERIFIER_nondet_int()=0, until=5] [L610] COND FALSE !(len < until && __VERIFIER_nondet_int()) VAL [\old(from)=2, \old(until)=5, __VERIFIER_nondet_int()=0, from=2, len=2, len < until && __VERIFIER_nondet_int()=0, until=5] [L613] return len; VAL [\old(from)=2, \old(until)=5, \result=2, from=2, len=2, until=5] [L616] RET, EXPR _get_nondet_int(2, 5) VAL [_get_nondet_int(2, 5)=2] [L616] const int len = _get_nondet_int(2, 5); VAL [_get_nondet_int(2, 5)=2, len=2] [L617] SLL s = sll_create(len); VAL [len=2, s={2:0}] [L617] CALL, EXPR sll_create(len) VAL [\old(len)=2] [L564] SLL head = ((void *)0); VAL [\old(len)=2, head={0:0}, len=2] [L565] EXPR len-- VAL [\old(len)=2, head={0:0}, len=1, len--=2] [L565] COND TRUE len-- > 0 VAL [\old(len)=2, head={0:0}, len=1, len--=2] [L566] SLL new_head = (SLL) malloc(sizeof(struct node)); VAL [\old(len)=2, head={0:0}, len=1, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L567] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=2, head={0:0}, len=1, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L570] new_head->next = head VAL [\old(len)=2, head={0:0}, len=1, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L571] head = new_head VAL [\old(len)=2, head={-1:0}, len=1, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L565] EXPR len-- VAL [\old(len)=2, head={-1:0}, len=0, len--=1, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L565] COND TRUE len-- > 0 VAL [\old(len)=2, head={-1:0}, len=0, len--=1, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L566] SLL new_head = (SLL) malloc(sizeof(struct node)); VAL [\old(len)=2, head={-1:0}, len=0, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L567] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=2, head={-1:0}, len=0, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L570] new_head->next = head VAL [\old(len)=2, head={-1:0}, len=0, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L571] head = new_head VAL [\old(len)=2, head={-2:0}, len=0, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L565] EXPR len-- VAL [\old(len)=2, head={-2:0}, len=-1, len--=0, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L565] COND FALSE !(len-- > 0) VAL [\old(len)=2, head={-2:0}, len=-1, len--=0, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L573] return head; VAL [\old(len)=2, \result={-2:0}, head={-2:0}, len=-1, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L617] RET, EXPR sll_create(len) VAL [len=2, s={2:0}, sll_create(len)={-2:0}] [L617] SLL s = sll_create(len); VAL [len=2, s={2:0}, sll_create(len)={-2:0}] [L618] CALL, EXPR _get_nondet_int(0, len - 1) VAL [\old(from)=0, \old(until)=1] [L609] int len = from; VAL [\old(from)=0, \old(until)=1, from=0, len=0, until=1] [L610] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, from=0, len=0, len < until && __VERIFIER_nondet_int()=1, until=1] [L610] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=1, from=0, len=0, len < until && __VERIFIER_nondet_int()=1, until=1] [L610] COND TRUE len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=1, from=0, len=0, len < until && __VERIFIER_nondet_int()=1, until=1] [L611] len++ VAL [\old(from)=0, \old(until)=1, from=0, len=1, until=1] [L610] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, from=0, len=1, len < until && __VERIFIER_nondet_int()=0, until=1] [L610] COND FALSE !(len < until && __VERIFIER_nondet_int()) VAL [\old(from)=0, \old(until)=1, from=0, len=1, len < until && __VERIFIER_nondet_int()=0, until=1] [L613] return len; VAL [\old(from)=0, \old(until)=1, \result=1, from=0, len=1, until=1] [L618] RET, EXPR _get_nondet_int(0, len - 1) VAL [_get_nondet_int(0, len - 1)=1, len=2, s={2:0}] [L618] const int k = _get_nondet_int(0, len - 1); VAL [_get_nondet_int(0, len - 1)=1, k=1, len=2, s={2:0}] [L619] int i = 0; VAL [i=0, k=1, len=2, s={2:0}] [L620] i < k && __VERIFIER_nondet_int() VAL [i=0, i < k && __VERIFIER_nondet_int()=1, k=1, len=2, s={2:0}] [L620] i < k && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, i=0, i < k && __VERIFIER_nondet_int()=0, k=1, len=2, s={2:0}] [L620] COND FALSE !(i < k && __VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, i=0, i < k && __VERIFIER_nondet_int()=0, k=1, len=2, s={2:0}] [L625] EXPR \read(s) VAL [\read(s)={-2:0}, i=0, k=1, len=2, s={2:0}] [L625] CALL, EXPR sll_length(s) VAL [head={-2:0}] [L576] int len = 0; VAL [head={-2:0}, head={-2:0}, len=0] [L577] COND TRUE \read(head) VAL [head={-2:0}, head={-2:0}, len=0] [L578] len++ VAL [head={-2:0}, head={-2:0}, len=1] [L579] EXPR head->next VAL [head={-2:0}, head={-2:0}, head->next={-1:0}, len=1] [L579] head = head->next VAL [head={-1:0}, head={-2:0}, head->next={-1:0}, len=1] [L577] COND TRUE \read(head) VAL [head={-1:0}, head={-2:0}, len=1] [L578] len++ VAL [head={-2:0}, head={-1:0}, len=2] [L579] EXPR head->next VAL [head={-2:0}, head={-1:0}, head->next={0:0}, len=2] [L579] head = head->next VAL [head={-2:0}, head={0:0}, head->next={0:0}, len=2] [L577] COND FALSE !(\read(head)) VAL [head={-2:0}, head={0:0}, len=2] [L581] return len; VAL [\result=2, head={0:0}, head={-2:0}, len=2] [L625] RET, EXPR sll_length(s) VAL [\read(s)={-2:0}, i=0, k=1, len=2, s={2:0}, sll_length(s)=2] [L625] COND TRUE k + len != sll_length(s) VAL [\read(s)={-2:0}, i=0, k=1, len=2, s={2:0}, sll_length(s)=2] [L630] __VERIFIER_error() VAL [i=0, k=1, len=2, s={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 112.8s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 85.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1932 SDtfs, 4093 SDslu, 11646 SDs, 0 SdLazy, 13081 SolverSat, 553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 394 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1761 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 648 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1377 NumberOfCodeBlocks, 1377 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1248 ConstructedInterpolants, 0 QuantifiedInterpolants, 572611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 167/365 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...