/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-properties/list_search-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 16:22:19,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 16:22:19,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 16:22:19,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 16:22:19,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 16:22:19,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 16:22:19,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 16:22:19,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 16:22:19,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 16:22:19,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 16:22:19,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 16:22:19,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 16:22:19,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 16:22:19,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 16:22:19,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 16:22:19,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 16:22:19,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 16:22:19,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 16:22:19,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 16:22:19,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 16:22:19,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 16:22:19,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 16:22:19,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 16:22:19,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 16:22:19,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 16:22:19,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 16:22:19,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 16:22:19,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 16:22:19,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 16:22:20,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 16:22:20,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 16:22:20,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 16:22:20,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 16:22:20,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 16:22:20,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 16:22:20,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 16:22:20,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 16:22:20,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 16:22:20,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 16:22:20,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 16:22:20,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 16:22:20,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 16:22:20,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 16:22:20,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 16:22:20,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 16:22:20,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 16:22:20,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 16:22:20,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 16:22:20,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 16:22:20,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 16:22:20,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 16:22:20,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 16:22:20,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 16:22:20,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 16:22:20,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 16:22:20,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 16:22:20,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 16:22:20,051 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 16:22:20,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 16:22:20,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 16:22:20,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:22:20,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 16:22:20,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 16:22:20,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 16:22:20,053 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 16:22:20,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 16:22:20,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 16:22:20,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 16:22:20,428 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 16:22:20,429 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 16:22:20,429 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-1.i [2020-07-08 16:22:20,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c000e4907/ca2b877a921745939c643c1f149ff421/FLAGe7b0fae27 [2020-07-08 16:22:21,036 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 16:22:21,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-1.i [2020-07-08 16:22:21,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c000e4907/ca2b877a921745939c643c1f149ff421/FLAGe7b0fae27 [2020-07-08 16:22:21,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c000e4907/ca2b877a921745939c643c1f149ff421 [2020-07-08 16:22:21,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 16:22:21,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 16:22:21,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 16:22:21,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 16:22:21,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 16:22:21,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:22:21" (1/1) ... [2020-07-08 16:22:21,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4af83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:21, skipping insertion in model container [2020-07-08 16:22:21,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:22:21" (1/1) ... [2020-07-08 16:22:21,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 16:22:21,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 16:22:22,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:22:22,071 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 16:22:22,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:22:22,185 INFO L208 MainTranslator]: Completed translation [2020-07-08 16:22:22,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22 WrapperNode [2020-07-08 16:22:22,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 16:22:22,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 16:22:22,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 16:22:22,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 16:22:22,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (1/1) ... [2020-07-08 16:22:22,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 16:22:22,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 16:22:22,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 16:22:22,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 16:22:22,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (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 [2020-07-08 16:22:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 16:22:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 16:22:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 16:22:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-08 16:22:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-08 16:22:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-08 16:22:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-08 16:22:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-08 16:22:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2020-07-08 16:22:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2020-07-08 16:22:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 16:22:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 16:22:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 16:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-08 16:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-08 16:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-08 16:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-08 16:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-08 16:22:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-08 16:22:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-08 16:22:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-08 16:22:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-08 16:22:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-08 16:22:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-08 16:22:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-08 16:22:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-08 16:22:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-08 16:22:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-08 16:22:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-08 16:22:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-08 16:22:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-08 16:22:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-08 16:22:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-08 16:22:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-08 16:22:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-08 16:22:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-08 16:22:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-08 16:22:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-08 16:22:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-08 16:22:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-08 16:22:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-08 16:22:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-08 16:22:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-08 16:22:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-08 16:22:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-08 16:22:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-08 16:22:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-08 16:22:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 16:22:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-08 16:22:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-08 16:22:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-08 16:22:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-08 16:22:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 16:22:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-08 16:22:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-08 16:22:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-08 16:22:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-08 16:22:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-08 16:22:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-08 16:22:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-08 16:22:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-08 16:22:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-08 16:22:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-08 16:22:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-08 16:22:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-08 16:22:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-08 16:22:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-08 16:22:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-08 16:22:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-08 16:22:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-08 16:22:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-08 16:22:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-08 16:22:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-08 16:22:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-08 16:22:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2020-07-08 16:22:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 16:22:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 16:22:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 16:22:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 16:22:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 16:22:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 16:22:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 16:22:23,047 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 16:22:23,047 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-08 16:22:23,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:22:23 BoogieIcfgContainer [2020-07-08 16:22:23,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 16:22:23,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 16:22:23,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 16:22:23,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 16:22:23,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 04:22:21" (1/3) ... [2020-07-08 16:22:23,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e71b677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:22:23, skipping insertion in model container [2020-07-08 16:22:23,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:22:22" (2/3) ... [2020-07-08 16:22:23,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e71b677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:22:23, skipping insertion in model container [2020-07-08 16:22:23,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:22:23" (3/3) ... [2020-07-08 16:22:23,061 INFO L109 eAbstractionObserver]: Analyzing ICFG list_search-1.i [2020-07-08 16:22:23,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 16:22:23,082 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 16:22:23,098 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 16:22:23,124 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 16:22:23,124 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 16:22:23,124 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 16:22:23,125 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 16:22:23,125 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 16:22:23,125 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 16:22:23,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 16:22:23,125 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 16:22:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-07-08 16:22:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-08 16:22:23,159 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:22:23,160 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:22:23,161 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:22:23,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:22:23,169 INFO L82 PathProgramCache]: Analyzing trace with hash 42223880, now seen corresponding path program 1 times [2020-07-08 16:22:23,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:22:23,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105783826] [2020-07-08 16:22:23,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:22:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,665 INFO L280 TraceCheckUtils]: 0: Hoare triple {139#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {79#true} is VALID [2020-07-08 16:22:23,666 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-08 16:22:23,667 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-08 16:22:23,667 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~head~0.base, ~head~0.offset := 0, 0; {79#true} is VALID [2020-07-08 16:22:23,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 16:22:23,668 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {79#true} {79#true} #138#return; {79#true} is VALID [2020-07-08 16:22:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,772 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {141#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 16:22:23,775 INFO L280 TraceCheckUtils]: 3: Hoare triple {141#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,776 INFO L280 TraceCheckUtils]: 4: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,777 INFO L280 TraceCheckUtils]: 5: Hoare triple {142#(not (= 0 insert_list_~l.base))} assume ~head~0.base == 0 && ~head~0.offset == 0; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,778 INFO L280 TraceCheckUtils]: 6: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,779 INFO L280 TraceCheckUtils]: 7: Hoare triple {142#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,780 INFO L280 TraceCheckUtils]: 8: Hoare triple {98#(not (= 0 ~head~0.base))} #res := 0; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,781 INFO L280 TraceCheckUtils]: 9: Hoare triple {98#(not (= 0 ~head~0.base))} assume true; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,783 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {98#(not (= 0 ~head~0.base))} {79#true} #126#return; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,843 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,844 INFO L280 TraceCheckUtils]: 1: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,845 INFO L280 TraceCheckUtils]: 2: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,846 INFO L280 TraceCheckUtils]: 3: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,847 INFO L280 TraceCheckUtils]: 4: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,848 INFO L280 TraceCheckUtils]: 5: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} assume ~head~0.base == 0 && ~head~0.offset == 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,849 INFO L280 TraceCheckUtils]: 6: Hoare triple {144#(= 0 |old(~head~0.base)|)} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,850 INFO L280 TraceCheckUtils]: 7: Hoare triple {144#(= 0 |old(~head~0.base)|)} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,851 INFO L280 TraceCheckUtils]: 8: Hoare triple {144#(= 0 |old(~head~0.base)|)} #res := 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,852 INFO L280 TraceCheckUtils]: 9: Hoare triple {144#(= 0 |old(~head~0.base)|)} assume true; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,854 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {144#(= 0 |old(~head~0.base)|)} {98#(not (= 0 ~head~0.base))} #128#return; {80#false} is VALID [2020-07-08 16:22:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,875 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,876 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,876 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 16:22:23,876 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 16:22:23,877 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 16:22:23,877 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 16:22:23,878 INFO L280 TraceCheckUtils]: 6: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 16:22:23,878 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 16:22:23,878 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 16:22:23,879 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 16:22:23,879 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {79#true} {80#false} #130#return; {80#false} is VALID [2020-07-08 16:22:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,894 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,895 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,895 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 16:22:23,896 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 16:22:23,896 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 16:22:23,896 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 16:22:23,897 INFO L280 TraceCheckUtils]: 6: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 16:22:23,897 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 16:22:23,897 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 16:22:23,898 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 16:22:23,898 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {79#true} {80#false} #132#return; {80#false} is VALID [2020-07-08 16:22:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:23,906 INFO L280 TraceCheckUtils]: 0: Hoare triple {79#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,907 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,907 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {79#true} is VALID [2020-07-08 16:22:23,908 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-08 16:22:23,908 INFO L280 TraceCheckUtils]: 4: Hoare triple {80#false} #res.base, #res.offset := ~l.base, ~l.offset; {80#false} is VALID [2020-07-08 16:22:23,909 INFO L280 TraceCheckUtils]: 5: Hoare triple {80#false} assume true; {80#false} is VALID [2020-07-08 16:22:23,909 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {80#false} {80#false} #134#return; {80#false} is VALID [2020-07-08 16:22:23,911 INFO L263 TraceCheckUtils]: 0: Hoare triple {79#true} call ULTIMATE.init(); {139#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:22:23,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {139#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {79#true} is VALID [2020-07-08 16:22:23,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-08 16:22:23,912 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-08 16:22:23,912 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} ~head~0.base, ~head~0.offset := 0, 0; {79#true} is VALID [2020-07-08 16:22:23,913 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 16:22:23,913 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {79#true} {79#true} #138#return; {79#true} is VALID [2020-07-08 16:22:23,913 INFO L263 TraceCheckUtils]: 7: Hoare triple {79#true} call #t~ret13 := main(); {79#true} is VALID [2020-07-08 16:22:23,914 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} havoc ~i~0; {79#true} is VALID [2020-07-08 16:22:23,914 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} havoc ~mylist~0.base, ~mylist~0.offset; {79#true} is VALID [2020-07-08 16:22:23,914 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#true} havoc ~temp~0.base, ~temp~0.offset; {79#true} is VALID [2020-07-08 16:22:23,916 INFO L263 TraceCheckUtils]: 11: Hoare triple {79#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:23,917 INFO L280 TraceCheckUtils]: 12: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,917 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,918 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {141#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 16:22:23,919 INFO L280 TraceCheckUtils]: 15: Hoare triple {141#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,920 INFO L280 TraceCheckUtils]: 16: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,921 INFO L280 TraceCheckUtils]: 17: Hoare triple {142#(not (= 0 insert_list_~l.base))} assume ~head~0.base == 0 && ~head~0.offset == 0; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,922 INFO L280 TraceCheckUtils]: 18: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:23,923 INFO L280 TraceCheckUtils]: 19: Hoare triple {142#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,924 INFO L280 TraceCheckUtils]: 20: Hoare triple {98#(not (= 0 ~head~0.base))} #res := 0; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,925 INFO L280 TraceCheckUtils]: 21: Hoare triple {98#(not (= 0 ~head~0.base))} assume true; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,926 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {98#(not (= 0 ~head~0.base))} {79#true} #126#return; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,927 INFO L280 TraceCheckUtils]: 23: Hoare triple {98#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,928 INFO L280 TraceCheckUtils]: 24: Hoare triple {98#(not (= 0 ~head~0.base))} havoc #t~ret6; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:23,930 INFO L263 TraceCheckUtils]: 25: Hoare triple {98#(not (= 0 ~head~0.base))} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:23,931 INFO L280 TraceCheckUtils]: 26: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,932 INFO L280 TraceCheckUtils]: 27: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,933 INFO L280 TraceCheckUtils]: 28: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,934 INFO L280 TraceCheckUtils]: 29: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,935 INFO L280 TraceCheckUtils]: 30: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 16:22:23,936 INFO L280 TraceCheckUtils]: 31: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} assume ~head~0.base == 0 && ~head~0.offset == 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,937 INFO L280 TraceCheckUtils]: 32: Hoare triple {144#(= 0 |old(~head~0.base)|)} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,938 INFO L280 TraceCheckUtils]: 33: Hoare triple {144#(= 0 |old(~head~0.base)|)} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,939 INFO L280 TraceCheckUtils]: 34: Hoare triple {144#(= 0 |old(~head~0.base)|)} #res := 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,940 INFO L280 TraceCheckUtils]: 35: Hoare triple {144#(= 0 |old(~head~0.base)|)} assume true; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 16:22:23,941 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {144#(= 0 |old(~head~0.base)|)} {98#(not (= 0 ~head~0.base))} #128#return; {80#false} is VALID [2020-07-08 16:22:23,942 INFO L280 TraceCheckUtils]: 37: Hoare triple {80#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {80#false} is VALID [2020-07-08 16:22:23,942 INFO L280 TraceCheckUtils]: 38: Hoare triple {80#false} havoc #t~ret7; {80#false} is VALID [2020-07-08 16:22:23,942 INFO L263 TraceCheckUtils]: 39: Hoare triple {80#false} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:23,943 INFO L280 TraceCheckUtils]: 40: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,943 INFO L280 TraceCheckUtils]: 41: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,944 INFO L280 TraceCheckUtils]: 42: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 16:22:23,944 INFO L280 TraceCheckUtils]: 43: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 16:22:23,944 INFO L280 TraceCheckUtils]: 44: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 16:22:23,945 INFO L280 TraceCheckUtils]: 45: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 16:22:23,945 INFO L280 TraceCheckUtils]: 46: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 16:22:23,945 INFO L280 TraceCheckUtils]: 47: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 16:22:23,946 INFO L280 TraceCheckUtils]: 48: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 16:22:23,946 INFO L280 TraceCheckUtils]: 49: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 16:22:23,946 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {79#true} {80#false} #130#return; {80#false} is VALID [2020-07-08 16:22:23,947 INFO L280 TraceCheckUtils]: 51: Hoare triple {80#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {80#false} is VALID [2020-07-08 16:22:23,947 INFO L280 TraceCheckUtils]: 52: Hoare triple {80#false} havoc #t~ret8; {80#false} is VALID [2020-07-08 16:22:23,947 INFO L263 TraceCheckUtils]: 53: Hoare triple {80#false} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:23,948 INFO L280 TraceCheckUtils]: 54: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,948 INFO L280 TraceCheckUtils]: 55: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,948 INFO L280 TraceCheckUtils]: 56: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 16:22:23,949 INFO L280 TraceCheckUtils]: 57: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 16:22:23,949 INFO L280 TraceCheckUtils]: 58: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 16:22:23,949 INFO L280 TraceCheckUtils]: 59: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 16:22:23,950 INFO L280 TraceCheckUtils]: 60: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 16:22:23,950 INFO L280 TraceCheckUtils]: 61: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 16:22:23,950 INFO L280 TraceCheckUtils]: 62: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 16:22:23,951 INFO L280 TraceCheckUtils]: 63: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 16:22:23,951 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {79#true} {80#false} #132#return; {80#false} is VALID [2020-07-08 16:22:23,951 INFO L280 TraceCheckUtils]: 65: Hoare triple {80#false} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {80#false} is VALID [2020-07-08 16:22:23,952 INFO L280 TraceCheckUtils]: 66: Hoare triple {80#false} havoc #t~ret9; {80#false} is VALID [2020-07-08 16:22:23,952 INFO L263 TraceCheckUtils]: 67: Hoare triple {80#false} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {79#true} is VALID [2020-07-08 16:22:23,953 INFO L280 TraceCheckUtils]: 68: Hoare triple {79#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 16:22:23,953 INFO L280 TraceCheckUtils]: 69: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 16:22:23,953 INFO L280 TraceCheckUtils]: 70: Hoare triple {79#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {79#true} is VALID [2020-07-08 16:22:23,954 INFO L280 TraceCheckUtils]: 71: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-08 16:22:23,954 INFO L280 TraceCheckUtils]: 72: Hoare triple {80#false} #res.base, #res.offset := ~l.base, ~l.offset; {80#false} is VALID [2020-07-08 16:22:23,955 INFO L280 TraceCheckUtils]: 73: Hoare triple {80#false} assume true; {80#false} is VALID [2020-07-08 16:22:23,955 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {80#false} {80#false} #134#return; {80#false} is VALID [2020-07-08 16:22:23,955 INFO L280 TraceCheckUtils]: 75: Hoare triple {80#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {80#false} is VALID [2020-07-08 16:22:23,956 INFO L280 TraceCheckUtils]: 76: Hoare triple {80#false} havoc #t~ret10.base, #t~ret10.offset; {80#false} is VALID [2020-07-08 16:22:23,956 INFO L280 TraceCheckUtils]: 77: Hoare triple {80#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {80#false} is VALID [2020-07-08 16:22:23,956 INFO L263 TraceCheckUtils]: 78: Hoare triple {80#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {80#false} is VALID [2020-07-08 16:22:23,957 INFO L280 TraceCheckUtils]: 79: Hoare triple {80#false} ~cond := #in~cond; {80#false} is VALID [2020-07-08 16:22:23,957 INFO L280 TraceCheckUtils]: 80: Hoare triple {80#false} assume 0 == ~cond; {80#false} is VALID [2020-07-08 16:22:23,957 INFO L280 TraceCheckUtils]: 81: Hoare triple {80#false} assume !false; {80#false} is VALID [2020-07-08 16:22:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-08 16:22:23,970 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:22:23,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105783826] [2020-07-08 16:22:23,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:22:23,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-08 16:22:23,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957610620] [2020-07-08 16:22:23,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-08 16:22:23,986 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:22:23,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 16:22:24,100 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:24,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 16:22:24,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:22:24,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 16:22:24,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-08 16:22:24,114 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 9 states. [2020-07-08 16:22:26,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:26,322 INFO L93 Difference]: Finished difference Result 187 states and 225 transitions. [2020-07-08 16:22:26,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-08 16:22:26,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-08 16:22:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:22:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 16:22:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 225 transitions. [2020-07-08 16:22:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 16:22:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 225 transitions. [2020-07-08 16:22:26,369 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 225 transitions. [2020-07-08 16:22:26,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:26,705 INFO L225 Difference]: With dead ends: 187 [2020-07-08 16:22:26,705 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 16:22:26,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-07-08 16:22:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 16:22:26,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 73. [2020-07-08 16:22:26,958 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:22:26,958 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 73 states. [2020-07-08 16:22:26,959 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 73 states. [2020-07-08 16:22:26,959 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 73 states. [2020-07-08 16:22:26,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:26,970 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 16:22:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 16:22:26,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:26,973 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:26,973 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 92 states. [2020-07-08 16:22:26,973 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 92 states. [2020-07-08 16:22:26,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:26,982 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 16:22:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 16:22:26,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:26,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:26,984 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:22:26,985 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:22:26,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-08 16:22:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2020-07-08 16:22:26,997 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 82 [2020-07-08 16:22:27,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:22:27,000 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2020-07-08 16:22:27,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 16:22:27,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 73 states and 78 transitions. [2020-07-08 16:22:27,159 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2020-07-08 16:22:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-08 16:22:27,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:22:27,164 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:22:27,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 16:22:27,164 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:22:27,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:22:27,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1050718625, now seen corresponding path program 1 times [2020-07-08 16:22:27,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:22:27,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144577392] [2020-07-08 16:22:27,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:22:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,416 INFO L280 TraceCheckUtils]: 0: Hoare triple {944#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {877#true} is VALID [2020-07-08 16:22:27,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} #valid := #valid[0 := 0]; {877#true} is VALID [2020-07-08 16:22:27,417 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} assume 0 < #StackHeapBarrier; {877#true} is VALID [2020-07-08 16:22:27,417 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~head~0.base, ~head~0.offset := 0, 0; {877#true} is VALID [2020-07-08 16:22:27,418 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,418 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {877#true} {877#true} #138#return; {877#true} is VALID [2020-07-08 16:22:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,463 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,464 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,467 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 16:22:27,468 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 16:22:27,468 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 16:22:27,469 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {877#true} is VALID [2020-07-08 16:22:27,469 INFO L280 TraceCheckUtils]: 6: Hoare triple {877#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {877#true} is VALID [2020-07-08 16:22:27,469 INFO L280 TraceCheckUtils]: 7: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 16:22:27,470 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 16:22:27,473 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,473 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {877#true} {877#true} #126#return; {877#true} is VALID [2020-07-08 16:22:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,502 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,502 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 16:22:27,503 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 16:22:27,503 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 16:22:27,521 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 16:22:27,524 INFO L280 TraceCheckUtils]: 6: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 16:22:27,524 INFO L280 TraceCheckUtils]: 7: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 16:22:27,524 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 16:22:27,525 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 16:22:27,525 INFO L280 TraceCheckUtils]: 10: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,529 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {877#true} {877#true} #128#return; {877#true} is VALID [2020-07-08 16:22:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,557 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,558 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 16:22:27,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 16:22:27,559 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 16:22:27,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 16:22:27,561 INFO L280 TraceCheckUtils]: 6: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 16:22:27,561 INFO L280 TraceCheckUtils]: 7: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 16:22:27,562 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 16:22:27,562 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 16:22:27,565 INFO L280 TraceCheckUtils]: 10: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,565 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {877#true} {877#true} #130#return; {877#true} is VALID [2020-07-08 16:22:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,627 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,627 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,629 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {946#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 16:22:27,630 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,632 INFO L280 TraceCheckUtils]: 4: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,632 INFO L280 TraceCheckUtils]: 5: Hoare triple {947#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,633 INFO L280 TraceCheckUtils]: 6: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,633 INFO L280 TraceCheckUtils]: 7: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,634 INFO L280 TraceCheckUtils]: 8: Hoare triple {947#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,635 INFO L280 TraceCheckUtils]: 9: Hoare triple {932#(not (= 0 ~head~0.base))} #res := 0; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,635 INFO L280 TraceCheckUtils]: 10: Hoare triple {932#(not (= 0 ~head~0.base))} assume true; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,636 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {932#(not (= 0 ~head~0.base))} {877#true} #132#return; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:27,686 INFO L280 TraceCheckUtils]: 0: Hoare triple {877#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,686 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,687 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {948#(= search_list_~l.base ~head~0.base)} is VALID [2020-07-08 16:22:27,688 INFO L280 TraceCheckUtils]: 3: Hoare triple {948#(= search_list_~l.base ~head~0.base)} #t~short3 := ~l.base != 0 || ~l.offset != 0; {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} is VALID [2020-07-08 16:22:27,689 INFO L280 TraceCheckUtils]: 4: Hoare triple {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,689 INFO L280 TraceCheckUtils]: 5: Hoare triple {950#(= 0 ~head~0.base)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,690 INFO L280 TraceCheckUtils]: 6: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,691 INFO L280 TraceCheckUtils]: 7: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~mem2; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,692 INFO L280 TraceCheckUtils]: 8: Hoare triple {950#(= 0 ~head~0.base)} #res.base, #res.offset := ~l.base, ~l.offset; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,692 INFO L280 TraceCheckUtils]: 9: Hoare triple {950#(= 0 ~head~0.base)} assume true; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,694 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {950#(= 0 ~head~0.base)} {932#(not (= 0 ~head~0.base))} #134#return; {878#false} is VALID [2020-07-08 16:22:27,696 INFO L263 TraceCheckUtils]: 0: Hoare triple {877#true} call ULTIMATE.init(); {944#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:22:27,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {944#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {877#true} is VALID [2020-07-08 16:22:27,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} #valid := #valid[0 := 0]; {877#true} is VALID [2020-07-08 16:22:27,697 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} assume 0 < #StackHeapBarrier; {877#true} is VALID [2020-07-08 16:22:27,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} ~head~0.base, ~head~0.offset := 0, 0; {877#true} is VALID [2020-07-08 16:22:27,698 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,698 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {877#true} {877#true} #138#return; {877#true} is VALID [2020-07-08 16:22:27,698 INFO L263 TraceCheckUtils]: 7: Hoare triple {877#true} call #t~ret13 := main(); {877#true} is VALID [2020-07-08 16:22:27,699 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} havoc ~i~0; {877#true} is VALID [2020-07-08 16:22:27,699 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} havoc ~mylist~0.base, ~mylist~0.offset; {877#true} is VALID [2020-07-08 16:22:27,699 INFO L280 TraceCheckUtils]: 10: Hoare triple {877#true} havoc ~temp~0.base, ~temp~0.offset; {877#true} is VALID [2020-07-08 16:22:27,701 INFO L263 TraceCheckUtils]: 11: Hoare triple {877#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:27,702 INFO L280 TraceCheckUtils]: 12: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,702 INFO L280 TraceCheckUtils]: 13: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,702 INFO L280 TraceCheckUtils]: 14: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 16:22:27,703 INFO L280 TraceCheckUtils]: 15: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 16:22:27,703 INFO L280 TraceCheckUtils]: 16: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 16:22:27,703 INFO L280 TraceCheckUtils]: 17: Hoare triple {877#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {877#true} is VALID [2020-07-08 16:22:27,703 INFO L280 TraceCheckUtils]: 18: Hoare triple {877#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {877#true} is VALID [2020-07-08 16:22:27,704 INFO L280 TraceCheckUtils]: 19: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 16:22:27,704 INFO L280 TraceCheckUtils]: 20: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 16:22:27,704 INFO L280 TraceCheckUtils]: 21: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,704 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {877#true} {877#true} #126#return; {877#true} is VALID [2020-07-08 16:22:27,704 INFO L280 TraceCheckUtils]: 23: Hoare triple {877#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {877#true} is VALID [2020-07-08 16:22:27,705 INFO L280 TraceCheckUtils]: 24: Hoare triple {877#true} havoc #t~ret6; {877#true} is VALID [2020-07-08 16:22:27,706 INFO L263 TraceCheckUtils]: 25: Hoare triple {877#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:27,707 INFO L280 TraceCheckUtils]: 26: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,707 INFO L280 TraceCheckUtils]: 27: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,707 INFO L280 TraceCheckUtils]: 28: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 16:22:27,708 INFO L280 TraceCheckUtils]: 29: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 16:22:27,708 INFO L280 TraceCheckUtils]: 30: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 16:22:27,708 INFO L280 TraceCheckUtils]: 31: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 16:22:27,709 INFO L280 TraceCheckUtils]: 32: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 16:22:27,709 INFO L280 TraceCheckUtils]: 33: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 16:22:27,709 INFO L280 TraceCheckUtils]: 34: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 16:22:27,709 INFO L280 TraceCheckUtils]: 35: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 16:22:27,710 INFO L280 TraceCheckUtils]: 36: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,710 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {877#true} {877#true} #128#return; {877#true} is VALID [2020-07-08 16:22:27,710 INFO L280 TraceCheckUtils]: 38: Hoare triple {877#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {877#true} is VALID [2020-07-08 16:22:27,710 INFO L280 TraceCheckUtils]: 39: Hoare triple {877#true} havoc #t~ret7; {877#true} is VALID [2020-07-08 16:22:27,712 INFO L263 TraceCheckUtils]: 40: Hoare triple {877#true} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:27,713 INFO L280 TraceCheckUtils]: 41: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,713 INFO L280 TraceCheckUtils]: 42: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,713 INFO L280 TraceCheckUtils]: 43: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 16:22:27,714 INFO L280 TraceCheckUtils]: 44: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 16:22:27,714 INFO L280 TraceCheckUtils]: 45: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 16:22:27,714 INFO L280 TraceCheckUtils]: 46: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 16:22:27,714 INFO L280 TraceCheckUtils]: 47: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 16:22:27,715 INFO L280 TraceCheckUtils]: 48: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 16:22:27,715 INFO L280 TraceCheckUtils]: 49: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 16:22:27,715 INFO L280 TraceCheckUtils]: 50: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 16:22:27,715 INFO L280 TraceCheckUtils]: 51: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 16:22:27,716 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {877#true} {877#true} #130#return; {877#true} is VALID [2020-07-08 16:22:27,716 INFO L280 TraceCheckUtils]: 53: Hoare triple {877#true} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {877#true} is VALID [2020-07-08 16:22:27,716 INFO L280 TraceCheckUtils]: 54: Hoare triple {877#true} havoc #t~ret8; {877#true} is VALID [2020-07-08 16:22:27,718 INFO L263 TraceCheckUtils]: 55: Hoare triple {877#true} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:27,719 INFO L280 TraceCheckUtils]: 56: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,719 INFO L280 TraceCheckUtils]: 57: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,721 INFO L280 TraceCheckUtils]: 58: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {946#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 16:22:27,723 INFO L280 TraceCheckUtils]: 59: Hoare triple {946#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,725 INFO L280 TraceCheckUtils]: 60: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,727 INFO L280 TraceCheckUtils]: 61: Hoare triple {947#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,730 INFO L280 TraceCheckUtils]: 62: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,730 INFO L280 TraceCheckUtils]: 63: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 16:22:27,731 INFO L280 TraceCheckUtils]: 64: Hoare triple {947#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,732 INFO L280 TraceCheckUtils]: 65: Hoare triple {932#(not (= 0 ~head~0.base))} #res := 0; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,732 INFO L280 TraceCheckUtils]: 66: Hoare triple {932#(not (= 0 ~head~0.base))} assume true; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,733 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {932#(not (= 0 ~head~0.base))} {877#true} #132#return; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,734 INFO L280 TraceCheckUtils]: 68: Hoare triple {932#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,735 INFO L280 TraceCheckUtils]: 69: Hoare triple {932#(not (= 0 ~head~0.base))} havoc #t~ret9; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 16:22:27,735 INFO L263 TraceCheckUtils]: 70: Hoare triple {932#(not (= 0 ~head~0.base))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {877#true} is VALID [2020-07-08 16:22:27,735 INFO L280 TraceCheckUtils]: 71: Hoare triple {877#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 16:22:27,736 INFO L280 TraceCheckUtils]: 72: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 16:22:27,736 INFO L280 TraceCheckUtils]: 73: Hoare triple {877#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {948#(= search_list_~l.base ~head~0.base)} is VALID [2020-07-08 16:22:27,737 INFO L280 TraceCheckUtils]: 74: Hoare triple {948#(= search_list_~l.base ~head~0.base)} #t~short3 := ~l.base != 0 || ~l.offset != 0; {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} is VALID [2020-07-08 16:22:27,738 INFO L280 TraceCheckUtils]: 75: Hoare triple {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,739 INFO L280 TraceCheckUtils]: 76: Hoare triple {950#(= 0 ~head~0.base)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,739 INFO L280 TraceCheckUtils]: 77: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,740 INFO L280 TraceCheckUtils]: 78: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~mem2; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,741 INFO L280 TraceCheckUtils]: 79: Hoare triple {950#(= 0 ~head~0.base)} #res.base, #res.offset := ~l.base, ~l.offset; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,741 INFO L280 TraceCheckUtils]: 80: Hoare triple {950#(= 0 ~head~0.base)} assume true; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 16:22:27,743 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {950#(= 0 ~head~0.base)} {932#(not (= 0 ~head~0.base))} #134#return; {878#false} is VALID [2020-07-08 16:22:27,743 INFO L280 TraceCheckUtils]: 82: Hoare triple {878#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {878#false} is VALID [2020-07-08 16:22:27,743 INFO L280 TraceCheckUtils]: 83: Hoare triple {878#false} havoc #t~ret10.base, #t~ret10.offset; {878#false} is VALID [2020-07-08 16:22:27,744 INFO L280 TraceCheckUtils]: 84: Hoare triple {878#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {878#false} is VALID [2020-07-08 16:22:27,744 INFO L263 TraceCheckUtils]: 85: Hoare triple {878#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {878#false} is VALID [2020-07-08 16:22:27,744 INFO L280 TraceCheckUtils]: 86: Hoare triple {878#false} ~cond := #in~cond; {878#false} is VALID [2020-07-08 16:22:27,744 INFO L280 TraceCheckUtils]: 87: Hoare triple {878#false} assume 0 == ~cond; {878#false} is VALID [2020-07-08 16:22:27,745 INFO L280 TraceCheckUtils]: 88: Hoare triple {878#false} assume !false; {878#false} is VALID [2020-07-08 16:22:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-08 16:22:27,755 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:22:27,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144577392] [2020-07-08 16:22:27,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:22:27,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-08 16:22:27,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640961533] [2020-07-08 16:22:27,758 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-08 16:22:27,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:22:27,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 16:22:27,838 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:27,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 16:22:27,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:22:27,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 16:22:27,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-08 16:22:27,840 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand 10 states. [2020-07-08 16:22:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:29,571 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2020-07-08 16:22:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-08 16:22:29,571 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-08 16:22:29,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:22:29,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:22:29,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 117 transitions. [2020-07-08 16:22:29,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:22:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 117 transitions. [2020-07-08 16:22:29,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 117 transitions. [2020-07-08 16:22:29,778 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:29,783 INFO L225 Difference]: With dead ends: 113 [2020-07-08 16:22:29,783 INFO L226 Difference]: Without dead ends: 90 [2020-07-08 16:22:29,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2020-07-08 16:22:29,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-08 16:22:29,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 75. [2020-07-08 16:22:29,998 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:22:29,998 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand 75 states. [2020-07-08 16:22:29,998 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 75 states. [2020-07-08 16:22:29,999 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 75 states. [2020-07-08 16:22:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:30,004 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2020-07-08 16:22:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2020-07-08 16:22:30,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:30,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:30,005 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 90 states. [2020-07-08 16:22:30,005 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 90 states. [2020-07-08 16:22:30,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:30,010 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2020-07-08 16:22:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2020-07-08 16:22:30,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:30,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:30,012 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:22:30,012 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:22:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-08 16:22:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2020-07-08 16:22:30,016 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 89 [2020-07-08 16:22:30,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:22:30,016 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2020-07-08 16:22:30,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 16:22:30,017 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 80 transitions. [2020-07-08 16:22:30,142 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 16:22:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-08 16:22:30,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:22:30,146 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:22:30,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 16:22:30,147 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:22:30,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:22:30,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1346991358, now seen corresponding path program 1 times [2020-07-08 16:22:30,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:22:30,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923600134] [2020-07-08 16:22:30,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:22:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {1600#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1531#true} is VALID [2020-07-08 16:22:30,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} #valid := #valid[0 := 0]; {1531#true} is VALID [2020-07-08 16:22:30,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} assume 0 < #StackHeapBarrier; {1531#true} is VALID [2020-07-08 16:22:30,284 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := 0, 0; {1531#true} is VALID [2020-07-08 16:22:30,284 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,285 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1531#true} {1531#true} #138#return; {1531#true} is VALID [2020-07-08 16:22:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,313 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 16:22:30,314 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 16:22:30,314 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 16:22:30,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 16:22:30,314 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {1531#true} is VALID [2020-07-08 16:22:30,315 INFO L280 TraceCheckUtils]: 6: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {1531#true} is VALID [2020-07-08 16:22:30,315 INFO L280 TraceCheckUtils]: 7: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,315 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 16:22:30,315 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,316 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1531#true} {1531#true} #126#return; {1531#true} is VALID [2020-07-08 16:22:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 16:22:30,330 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 16:22:30,330 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 16:22:30,330 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 16:22:30,330 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 16:22:30,331 INFO L280 TraceCheckUtils]: 6: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 16:22:30,331 INFO L280 TraceCheckUtils]: 7: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 16:22:30,331 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,331 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 16:22:30,332 INFO L280 TraceCheckUtils]: 10: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,332 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1531#true} {1531#true} #128#return; {1531#true} is VALID [2020-07-08 16:22:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 16:22:30,342 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 16:22:30,342 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 16:22:30,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 16:22:30,343 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 16:22:30,343 INFO L280 TraceCheckUtils]: 6: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 16:22:30,343 INFO L280 TraceCheckUtils]: 7: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 16:22:30,343 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,344 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 16:22:30,344 INFO L280 TraceCheckUtils]: 10: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,344 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1531#true} {1531#true} #130#return; {1531#true} is VALID [2020-07-08 16:22:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,414 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,415 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,416 INFO L280 TraceCheckUtils]: 2: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,417 INFO L280 TraceCheckUtils]: 3: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,418 INFO L280 TraceCheckUtils]: 4: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,419 INFO L280 TraceCheckUtils]: 5: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,420 INFO L280 TraceCheckUtils]: 6: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 16:22:30,422 INFO L280 TraceCheckUtils]: 7: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 16:22:30,423 INFO L280 TraceCheckUtils]: 8: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,424 INFO L280 TraceCheckUtils]: 9: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #res := 0; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,425 INFO L280 TraceCheckUtils]: 10: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,427 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1531#true} #132#return; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 16:22:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:22:30,762 INFO L280 TraceCheckUtils]: 0: Hoare triple {1531#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1605#(= |search_list_#in~k| search_list_~k)} is VALID [2020-07-08 16:22:30,765 INFO L280 TraceCheckUtils]: 2: Hoare triple {1605#(= |search_list_#in~k| search_list_~k)} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 16:22:30,766 INFO L280 TraceCheckUtils]: 3: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 16:22:30,768 INFO L280 TraceCheckUtils]: 4: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} assume #t~short3; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 16:22:30,771 INFO L280 TraceCheckUtils]: 5: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,773 INFO L280 TraceCheckUtils]: 6: Hoare triple {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} is VALID [2020-07-08 16:22:30,774 INFO L280 TraceCheckUtils]: 7: Hoare triple {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} assume !#t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 16:22:30,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 16:22:30,776 INFO L280 TraceCheckUtils]: 9: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~mem2; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 16:22:30,776 INFO L280 TraceCheckUtils]: 10: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} #res.base, #res.offset := ~l.base, ~l.offset; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,777 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,778 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} #134#return; {1532#false} is VALID [2020-07-08 16:22:30,785 INFO L263 TraceCheckUtils]: 0: Hoare triple {1531#true} call ULTIMATE.init(); {1600#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:22:30,786 INFO L280 TraceCheckUtils]: 1: Hoare triple {1600#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1531#true} is VALID [2020-07-08 16:22:30,786 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} #valid := #valid[0 := 0]; {1531#true} is VALID [2020-07-08 16:22:30,786 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} assume 0 < #StackHeapBarrier; {1531#true} is VALID [2020-07-08 16:22:30,787 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := 0, 0; {1531#true} is VALID [2020-07-08 16:22:30,787 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,787 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {1531#true} {1531#true} #138#return; {1531#true} is VALID [2020-07-08 16:22:30,787 INFO L263 TraceCheckUtils]: 7: Hoare triple {1531#true} call #t~ret13 := main(); {1531#true} is VALID [2020-07-08 16:22:30,787 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} havoc ~i~0; {1531#true} is VALID [2020-07-08 16:22:30,788 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} havoc ~mylist~0.base, ~mylist~0.offset; {1531#true} is VALID [2020-07-08 16:22:30,788 INFO L280 TraceCheckUtils]: 10: Hoare triple {1531#true} havoc ~temp~0.base, ~temp~0.offset; {1531#true} is VALID [2020-07-08 16:22:30,789 INFO L263 TraceCheckUtils]: 11: Hoare triple {1531#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:30,790 INFO L280 TraceCheckUtils]: 12: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,790 INFO L280 TraceCheckUtils]: 13: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 16:22:30,790 INFO L280 TraceCheckUtils]: 14: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 16:22:30,790 INFO L280 TraceCheckUtils]: 15: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 16:22:30,791 INFO L280 TraceCheckUtils]: 16: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 16:22:30,791 INFO L280 TraceCheckUtils]: 17: Hoare triple {1531#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {1531#true} is VALID [2020-07-08 16:22:30,791 INFO L280 TraceCheckUtils]: 18: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {1531#true} is VALID [2020-07-08 16:22:30,791 INFO L280 TraceCheckUtils]: 19: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,792 INFO L280 TraceCheckUtils]: 20: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 16:22:30,792 INFO L280 TraceCheckUtils]: 21: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,792 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1531#true} {1531#true} #126#return; {1531#true} is VALID [2020-07-08 16:22:30,792 INFO L280 TraceCheckUtils]: 23: Hoare triple {1531#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1531#true} is VALID [2020-07-08 16:22:30,793 INFO L280 TraceCheckUtils]: 24: Hoare triple {1531#true} havoc #t~ret6; {1531#true} is VALID [2020-07-08 16:22:30,795 INFO L263 TraceCheckUtils]: 25: Hoare triple {1531#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:30,795 INFO L280 TraceCheckUtils]: 26: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,796 INFO L280 TraceCheckUtils]: 27: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 16:22:30,796 INFO L280 TraceCheckUtils]: 28: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 16:22:30,796 INFO L280 TraceCheckUtils]: 29: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 16:22:30,796 INFO L280 TraceCheckUtils]: 30: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 16:22:30,796 INFO L280 TraceCheckUtils]: 31: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 16:22:30,797 INFO L280 TraceCheckUtils]: 32: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 16:22:30,797 INFO L280 TraceCheckUtils]: 33: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 16:22:30,797 INFO L280 TraceCheckUtils]: 34: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,797 INFO L280 TraceCheckUtils]: 35: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 16:22:30,798 INFO L280 TraceCheckUtils]: 36: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,798 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1531#true} {1531#true} #128#return; {1531#true} is VALID [2020-07-08 16:22:30,798 INFO L280 TraceCheckUtils]: 38: Hoare triple {1531#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {1531#true} is VALID [2020-07-08 16:22:30,798 INFO L280 TraceCheckUtils]: 39: Hoare triple {1531#true} havoc #t~ret7; {1531#true} is VALID [2020-07-08 16:22:30,800 INFO L263 TraceCheckUtils]: 40: Hoare triple {1531#true} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:30,800 INFO L280 TraceCheckUtils]: 41: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,801 INFO L280 TraceCheckUtils]: 42: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 16:22:30,801 INFO L280 TraceCheckUtils]: 43: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 16:22:30,801 INFO L280 TraceCheckUtils]: 44: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 16:22:30,801 INFO L280 TraceCheckUtils]: 45: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 16:22:30,802 INFO L280 TraceCheckUtils]: 46: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 16:22:30,802 INFO L280 TraceCheckUtils]: 47: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 16:22:30,802 INFO L280 TraceCheckUtils]: 48: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 16:22:30,802 INFO L280 TraceCheckUtils]: 49: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,802 INFO L280 TraceCheckUtils]: 50: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 16:22:30,803 INFO L280 TraceCheckUtils]: 51: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 16:22:30,803 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1531#true} {1531#true} #130#return; {1531#true} is VALID [2020-07-08 16:22:30,803 INFO L280 TraceCheckUtils]: 53: Hoare triple {1531#true} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {1531#true} is VALID [2020-07-08 16:22:30,803 INFO L280 TraceCheckUtils]: 54: Hoare triple {1531#true} havoc #t~ret8; {1531#true} is VALID [2020-07-08 16:22:30,807 INFO L263 TraceCheckUtils]: 55: Hoare triple {1531#true} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:22:30,808 INFO L280 TraceCheckUtils]: 56: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,816 INFO L280 TraceCheckUtils]: 57: Hoare triple {1531#true} ~k := #in~k; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,816 INFO L280 TraceCheckUtils]: 58: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,817 INFO L280 TraceCheckUtils]: 59: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,818 INFO L280 TraceCheckUtils]: 60: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,818 INFO L280 TraceCheckUtils]: 61: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 16:22:30,819 INFO L280 TraceCheckUtils]: 62: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 16:22:30,820 INFO L280 TraceCheckUtils]: 63: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 16:22:30,822 INFO L280 TraceCheckUtils]: 64: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,826 INFO L280 TraceCheckUtils]: 65: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #res := 0; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,826 INFO L280 TraceCheckUtils]: 66: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,828 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1531#true} #132#return; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 16:22:30,828 INFO L280 TraceCheckUtils]: 68: Hoare triple {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 16:22:30,829 INFO L280 TraceCheckUtils]: 69: Hoare triple {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} havoc #t~ret9; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 16:22:30,829 INFO L263 TraceCheckUtils]: 70: Hoare triple {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {1531#true} is VALID [2020-07-08 16:22:30,829 INFO L280 TraceCheckUtils]: 71: Hoare triple {1531#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 16:22:30,830 INFO L280 TraceCheckUtils]: 72: Hoare triple {1531#true} ~k := #in~k; {1605#(= |search_list_#in~k| search_list_~k)} is VALID [2020-07-08 16:22:30,831 INFO L280 TraceCheckUtils]: 73: Hoare triple {1605#(= |search_list_#in~k| search_list_~k)} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 16:22:30,832 INFO L280 TraceCheckUtils]: 74: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 16:22:30,832 INFO L280 TraceCheckUtils]: 75: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} assume #t~short3; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 16:22:30,833 INFO L280 TraceCheckUtils]: 76: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,834 INFO L280 TraceCheckUtils]: 77: Hoare triple {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} is VALID [2020-07-08 16:22:30,839 INFO L280 TraceCheckUtils]: 78: Hoare triple {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} assume !#t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 16:22:30,840 INFO L280 TraceCheckUtils]: 79: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 16:22:30,841 INFO L280 TraceCheckUtils]: 80: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~mem2; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 16:22:30,842 INFO L280 TraceCheckUtils]: 81: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} #res.base, #res.offset := ~l.base, ~l.offset; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,842 INFO L280 TraceCheckUtils]: 82: Hoare triple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 16:22:30,844 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} #134#return; {1532#false} is VALID [2020-07-08 16:22:30,844 INFO L280 TraceCheckUtils]: 84: Hoare triple {1532#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {1532#false} is VALID [2020-07-08 16:22:30,844 INFO L280 TraceCheckUtils]: 85: Hoare triple {1532#false} havoc #t~ret10.base, #t~ret10.offset; {1532#false} is VALID [2020-07-08 16:22:30,844 INFO L280 TraceCheckUtils]: 86: Hoare triple {1532#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {1532#false} is VALID [2020-07-08 16:22:30,845 INFO L263 TraceCheckUtils]: 87: Hoare triple {1532#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {1532#false} is VALID [2020-07-08 16:22:30,845 INFO L280 TraceCheckUtils]: 88: Hoare triple {1532#false} ~cond := #in~cond; {1532#false} is VALID [2020-07-08 16:22:30,845 INFO L280 TraceCheckUtils]: 89: Hoare triple {1532#false} assume 0 == ~cond; {1532#false} is VALID [2020-07-08 16:22:30,845 INFO L280 TraceCheckUtils]: 90: Hoare triple {1532#false} assume !false; {1532#false} is VALID [2020-07-08 16:22:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-08 16:22:30,878 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:22:30,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923600134] [2020-07-08 16:22:30,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:22:30,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-08 16:22:30,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401973947] [2020-07-08 16:22:30,881 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 91 [2020-07-08 16:22:30,882 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:22:30,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 16:22:30,975 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:30,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 16:22:30,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:22:30,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 16:22:30,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-08 16:22:30,976 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 14 states. [2020-07-08 16:22:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:34,123 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2020-07-08 16:22:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-08 16:22:34,124 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 91 [2020-07-08 16:22:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:22:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 16:22:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 95 transitions. [2020-07-08 16:22:34,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 16:22:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 95 transitions. [2020-07-08 16:22:34,131 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 95 transitions. [2020-07-08 16:22:34,291 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:34,295 INFO L225 Difference]: With dead ends: 100 [2020-07-08 16:22:34,295 INFO L226 Difference]: Without dead ends: 87 [2020-07-08 16:22:34,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2020-07-08 16:22:34,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-08 16:22:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2020-07-08 16:22:34,587 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:22:34,588 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 78 states. [2020-07-08 16:22:34,588 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 78 states. [2020-07-08 16:22:34,588 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 78 states. [2020-07-08 16:22:34,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:34,595 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-07-08 16:22:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2020-07-08 16:22:34,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:34,596 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:34,596 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 87 states. [2020-07-08 16:22:34,597 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 87 states. [2020-07-08 16:22:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:22:34,601 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-07-08 16:22:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2020-07-08 16:22:34,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:22:34,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:22:34,602 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:22:34,602 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:22:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-08 16:22:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2020-07-08 16:22:34,606 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 91 [2020-07-08 16:22:34,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:22:34,607 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2020-07-08 16:22:34,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 16:22:34,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 78 states and 83 transitions. [2020-07-08 16:22:34,772 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:22:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2020-07-08 16:22:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-08 16:22:34,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:22:34,775 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:22:34,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 16:22:34,775 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:22:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:22:34,775 INFO L82 PathProgramCache]: Analyzing trace with hash 2140447576, now seen corresponding path program 1 times [2020-07-08 16:22:34,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:22:34,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360459137] [2020-07-08 16:22:34,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:22:34,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 16:22:34,811 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:277) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 16:22:34,817 INFO L168 Benchmark]: Toolchain (without parser) took 13414.53 ms. Allocated memory was 145.2 MB in the beginning and 394.3 MB in the end (delta: 249.0 MB). Free memory was 102.3 MB in the beginning and 151.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:34,818 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-08 16:22:34,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.11 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 165.0 MB in the end (delta: -62.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:34,819 INFO L168 Benchmark]: Boogie Preprocessor took 85.09 ms. Allocated memory is still 202.4 MB. Free memory was 165.0 MB in the beginning and 161.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:34,820 INFO L168 Benchmark]: RCFGBuilder took 779.48 ms. Allocated memory is still 202.4 MB. Free memory was 161.6 MB in the beginning and 99.3 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:34,821 INFO L168 Benchmark]: TraceAbstraction took 11760.92 ms. Allocated memory was 202.4 MB in the beginning and 394.3 MB in the end (delta: 191.9 MB). Free memory was 99.3 MB in the beginning and 151.9 MB in the end (delta: -52.6 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. [2020-07-08 16:22:34,824 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 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.11 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 165.0 MB in the end (delta: -62.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.09 ms. Allocated memory is still 202.4 MB. Free memory was 165.0 MB in the beginning and 161.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 779.48 ms. Allocated memory is still 202.4 MB. Free memory was 161.6 MB in the beginning and 99.3 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11760.92 ms. Allocated memory was 202.4 MB in the beginning and 394.3 MB in the end (delta: 191.9 MB). Free memory was 99.3 MB in the beginning and 151.9 MB in the end (delta: -52.6 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...