/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:09:06,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:09:06,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:09:07,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 23:09:07,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 23:09:07,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 23:09:07,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 23:09:07,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 23:09:07,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 23:09:07,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 23:09:07,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 23:09:07,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 23:09:07,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:09:07,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:09:07,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:09:07,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:09:07,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:09:07,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:09:07,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:09:07,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:09:07,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:09:07,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:09:07,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:09:07,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:09:07,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 23:09:07,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 23:09:07,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 23:09:07,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 23:09:07,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 23:09:07,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 23:09:07,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 23:09:07,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 23:09:07,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 23:09:07,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 23:09:07,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 23:09:07,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 23:09:07,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 23:09:07,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 23:09:07,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:09:07,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:09:07,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:09:07,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:09:07,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:09:07,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:09:07,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:09:07,138 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:09:07,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:09:07,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:09:07,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:09:07,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:09:07,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:09:07,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:09:07,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:09:07,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:09:07,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:09:07,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:09:07,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:09:07,142 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:09:07,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:09:07,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:09:07,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:09:07,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:09:07,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:09:07,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:09:07,143 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:09:07,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:09:07,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:09:07,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:09:07,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:09:07,599 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:09:07,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2021-02-23 23:09:07,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6662a52d9/bf9dc9ac25b2474aba5c8decea443c8c/FLAGca49e546d [2021-02-23 23:09:08,421 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:09:08,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i [2021-02-23 23:09:08,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6662a52d9/bf9dc9ac25b2474aba5c8decea443c8c/FLAGca49e546d [2021-02-23 23:09:08,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6662a52d9/bf9dc9ac25b2474aba5c8decea443c8c [2021-02-23 23:09:08,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:09:08,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:09:08,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:09:08,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:09:08,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:09:08,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:09:08" (1/1) ... [2021-02-23 23:09:08,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e443783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:08, skipping insertion in model container [2021-02-23 23:09:08,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:09:08" (1/1) ... [2021-02-23 23:09:08,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:09:08,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:09:09,096 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[23986,23999] [2021-02-23 23:09:09,100 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[24106,24119] [2021-02-23 23:09:09,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:09:09,112 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:09:09,179 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[23986,23999] [2021-02-23 23:09:09,183 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[24106,24119] [2021-02-23 23:09:09,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:09:09,291 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:09:09,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09 WrapperNode [2021-02-23 23:09:09,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:09:09,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:09:09,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:09:09,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:09:09,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (1/1) ... [2021-02-23 23:09:09,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:09:09,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:09:09,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:09:09,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:09:09,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (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 [2021-02-23 23:09:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:09:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:09:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:09:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 23:09:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 23:09:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2021-02-23 23:09:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2021-02-23 23:09:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:09:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:09:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:09:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:09:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 23:09:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 23:09:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:09:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:09:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 23:09:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 23:09:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 23:09:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 23:09:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 23:09:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 23:09:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 23:09:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 23:09:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 23:09:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 23:09:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 23:09:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 23:09:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 23:09:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 23:09:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 23:09:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 23:09:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 23:09:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 23:09:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 23:09:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 23:09:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 23:09:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 23:09:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 23:09:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 23:09:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 23:09:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 23:09:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 23:09:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 23:09:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 23:09:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 23:09:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 23:09:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 23:09:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 23:09:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 23:09:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 23:09:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 23:09:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 23:09:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 23:09:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 23:09:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 23:09:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 23:09:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 23:09:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 23:09:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 23:09:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 23:09:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 23:09:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 23:09:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 23:09:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 23:09:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 23:09:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 23:09:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 23:09:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 23:09:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 23:09:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 23:09:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 23:09:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 23:09:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 23:09:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 23:09:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 23:09:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 23:09:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 23:09:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 23:09:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 23:09:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 23:09:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 23:09:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 23:09:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 23:09:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 23:09:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 23:09:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 23:09:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 23:09:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 23:09:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 23:09:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 23:09:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 23:09:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 23:09:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 23:09:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 23:09:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 23:09:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2021-02-23 23:09:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 23:09:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 23:09:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:09:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:09:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:09:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:09:10,380 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:09:10,380 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-23 23:09:10,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:09:10 BoogieIcfgContainer [2021-02-23 23:09:10,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:09:10,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:09:10,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:09:10,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:09:10,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:09:08" (1/3) ... [2021-02-23 23:09:10,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad4dbcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:09:10, skipping insertion in model container [2021-02-23 23:09:10,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:09" (2/3) ... [2021-02-23 23:09:10,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad4dbcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:09:10, skipping insertion in model container [2021-02-23 23:09:10,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:09:10" (3/3) ... [2021-02-23 23:09:10,394 INFO L111 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2021-02-23 23:09:10,401 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:09:10,407 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-02-23 23:09:10,428 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-02-23 23:09:10,454 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:09:10,454 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:09:10,455 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:09:10,455 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:09:10,455 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:09:10,455 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:09:10,455 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:09:10,456 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:09:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-02-23 23:09:10,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-02-23 23:09:10,493 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:10,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:10,495 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:10,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:10,510 INFO L82 PathProgramCache]: Analyzing trace with hash 791251371, now seen corresponding path program 1 times [2021-02-23 23:09:10,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:10,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78255670] [2021-02-23 23:09:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:10,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:10,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:10,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:10,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:10,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:10,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:10,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:10,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:09:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:10,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:10,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:10,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:11,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78255670] [2021-02-23 23:09:11,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:09:11,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:09:11,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746079069] [2021-02-23 23:09:11,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:09:11,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:11,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:09:11,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:09:11,042 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2021-02-23 23:09:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:11,397 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2021-02-23 23:09:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 23:09:11,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-02-23 23:09:11,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:11,420 INFO L225 Difference]: With dead ends: 137 [2021-02-23 23:09:11,420 INFO L226 Difference]: Without dead ends: 83 [2021-02-23 23:09:11,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:09:11,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-02-23 23:09:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-02-23 23:09:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-02-23 23:09:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2021-02-23 23:09:11,486 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 33 [2021-02-23 23:09:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:11,486 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2021-02-23 23:09:11,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:09:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2021-02-23 23:09:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-23 23:09:11,489 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:11,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:11,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:09:11,490 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:11,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:11,491 INFO L82 PathProgramCache]: Analyzing trace with hash 291324984, now seen corresponding path program 1 times [2021-02-23 23:09:11,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:11,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494109738] [2021-02-23 23:09:11,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:11,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:11,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:11,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:09:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:11,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:11,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494109738] [2021-02-23 23:09:11,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:09:11,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:09:11,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657529176] [2021-02-23 23:09:11,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:09:11,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:11,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:09:11,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:09:11,634 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand 5 states. [2021-02-23 23:09:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:11,863 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2021-02-23 23:09:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:09:11,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-02-23 23:09:11,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:11,870 INFO L225 Difference]: With dead ends: 94 [2021-02-23 23:09:11,871 INFO L226 Difference]: Without dead ends: 74 [2021-02-23 23:09:11,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:09:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-02-23 23:09:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-02-23 23:09:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-02-23 23:09:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2021-02-23 23:09:11,895 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 35 [2021-02-23 23:09:11,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:11,896 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2021-02-23 23:09:11,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:09:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2021-02-23 23:09:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-23 23:09:11,898 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:11,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:11,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:09:11,899 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:11,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:11,900 INFO L82 PathProgramCache]: Analyzing trace with hash 406725419, now seen corresponding path program 1 times [2021-02-23 23:09:11,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:11,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209854149] [2021-02-23 23:09:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:11,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:11,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:11,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:11,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:11,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:09:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:12,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:12,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:12,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209854149] [2021-02-23 23:09:12,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:09:12,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:09:12,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450124597] [2021-02-23 23:09:12,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:09:12,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:12,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:09:12,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:09:12,031 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 5 states. [2021-02-23 23:09:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:12,185 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2021-02-23 23:09:12,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:09:12,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-02-23 23:09:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:12,186 INFO L225 Difference]: With dead ends: 75 [2021-02-23 23:09:12,186 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:09:12,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:09:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:09:12,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:09:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:09:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:09:12,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-02-23 23:09:12,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:12,189 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:09:12,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:09:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:09:12,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:09:12,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:09:12,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:09:12,618 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2021-02-23 23:09:12,618 INFO L189 CegarLoopUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-02-23 23:09:12,618 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 13) no Hoare annotation was computed. [2021-02-23 23:09:12,618 INFO L189 CegarLoopUtils]: For program point L13-2(line 13) no Hoare annotation was computed. [2021-02-23 23:09:12,618 INFO L189 CegarLoopUtils]: For program point L13-3(line 13) no Hoare annotation was computed. [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point create_listEXIT(lines 580 590) the Hoare annotation is: true [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point L589(line 589) the Hoare annotation is: true [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point L589-1(line 589) the Hoare annotation is: true [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point L587(line 587) the Hoare annotation is: true [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point L587-1(lines 581 588) the Hoare annotation is: true [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point L585(line 585) the Hoare annotation is: true [2021-02-23 23:09:12,619 INFO L192 CegarLoopUtils]: At program point L583(line 583) the Hoare annotation is: true [2021-02-23 23:09:12,620 INFO L192 CegarLoopUtils]: At program point L583-1(line 583) the Hoare annotation is: true [2021-02-23 23:09:12,620 INFO L192 CegarLoopUtils]: At program point L581(line 581) the Hoare annotation is: true [2021-02-23 23:09:12,620 INFO L192 CegarLoopUtils]: At program point L583-2(line 583) the Hoare annotation is: true [2021-02-23 23:09:12,620 INFO L192 CegarLoopUtils]: At program point L581-2(line 581) the Hoare annotation is: true [2021-02-23 23:09:12,620 INFO L192 CegarLoopUtils]: At program point L581-3(line 581) the Hoare annotation is: true [2021-02-23 23:09:12,620 INFO L185 CegarLoopUtils]: At program point create_listENTRY(lines 580 590) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,620 INFO L192 CegarLoopUtils]: At program point L584(lines 584 587) the Hoare annotation is: true [2021-02-23 23:09:12,621 INFO L192 CegarLoopUtils]: At program point create_listFINAL(lines 580 590) the Hoare annotation is: true [2021-02-23 23:09:12,621 INFO L192 CegarLoopUtils]: At program point L582(lines 582 588) the Hoare annotation is: true [2021-02-23 23:09:12,621 INFO L192 CegarLoopUtils]: At program point L582-1(line 582) the Hoare annotation is: true [2021-02-23 23:09:12,621 INFO L192 CegarLoopUtils]: At program point L582-3(line 582) the Hoare annotation is: true [2021-02-23 23:09:12,621 INFO L192 CegarLoopUtils]: At program point L582-4(lines 582 588) the Hoare annotation is: true [2021-02-23 23:09:12,621 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,621 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:09:12,622 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 13) the Hoare annotation is: true [2021-02-23 23:09:12,622 INFO L192 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: true [2021-02-23 23:09:12,622 INFO L192 CegarLoopUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2021-02-23 23:09:12,622 INFO L192 CegarLoopUtils]: At program point L13-2(line 13) the Hoare annotation is: true [2021-02-23 23:09:12,622 INFO L192 CegarLoopUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2021-02-23 23:09:12,622 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,623 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:09:12,623 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 75 79) no Hoare annotation was computed. [2021-02-23 23:09:12,623 INFO L189 CegarLoopUtils]: For program point L78(line 78) no Hoare annotation was computed. [2021-02-23 23:09:12,623 INFO L189 CegarLoopUtils]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-02-23 23:09:12,623 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 75 79) no Hoare annotation was computed. [2021-02-23 23:09:12,623 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 75 79) no Hoare annotation was computed. [2021-02-23 23:09:12,623 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 80 84) no Hoare annotation was computed. [2021-02-23 23:09:12,624 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 80 84) no Hoare annotation was computed. [2021-02-23 23:09:12,624 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 80 84) no Hoare annotation was computed. [2021-02-23 23:09:12,624 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-23 23:09:12,624 INFO L189 CegarLoopUtils]: For program point L83-1(line 83) no Hoare annotation was computed. [2021-02-23 23:09:12,624 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:09:12,624 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:09:12,624 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:09:12,625 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:09:12,625 INFO L185 CegarLoopUtils]: At program point L609(line 609) the Hoare annotation is: false [2021-02-23 23:09:12,625 INFO L185 CegarLoopUtils]: At program point L609-1(lines 609 610) the Hoare annotation is: false [2021-02-23 23:09:12,625 INFO L185 CegarLoopUtils]: At program point L609-2(line 609) the Hoare annotation is: false [2021-02-23 23:09:12,625 INFO L185 CegarLoopUtils]: At program point L605(line 605) the Hoare annotation is: false [2021-02-23 23:09:12,625 INFO L185 CegarLoopUtils]: At program point L609-4(line 609) the Hoare annotation is: false [2021-02-23 23:09:12,625 INFO L185 CegarLoopUtils]: At program point L609-5(lines 609 610) the Hoare annotation is: false [2021-02-23 23:09:12,626 INFO L185 CegarLoopUtils]: At program point L601(line 601) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,626 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 591 613) the Hoare annotation is: true [2021-02-23 23:09:12,626 INFO L185 CegarLoopUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,626 INFO L185 CegarLoopUtils]: At program point L597-1(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,626 INFO L185 CegarLoopUtils]: At program point L597-2(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,627 INFO L192 CegarLoopUtils]: At program point L593(line 593) the Hoare annotation is: true [2021-02-23 23:09:12,627 INFO L185 CegarLoopUtils]: At program point L597-4(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,627 INFO L185 CegarLoopUtils]: At program point L597-5(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,627 INFO L185 CegarLoopUtils]: At program point L597-6(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,627 INFO L185 CegarLoopUtils]: At program point L597-7(line 597) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,628 INFO L185 CegarLoopUtils]: At program point L610(line 610) the Hoare annotation is: false [2021-02-23 23:09:12,628 INFO L185 CegarLoopUtils]: At program point L606(line 606) the Hoare annotation is: false [2021-02-23 23:09:12,628 INFO L185 CegarLoopUtils]: At program point L606-1(line 606) the Hoare annotation is: false [2021-02-23 23:09:12,628 INFO L185 CegarLoopUtils]: At program point L598(line 598) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,628 INFO L185 CegarLoopUtils]: At program point L598-1(line 598) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,628 INFO L185 CegarLoopUtils]: At program point L598-2(line 598) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,629 INFO L185 CegarLoopUtils]: At program point L594(line 594) the Hoare annotation is: (and (= main_~low~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,629 INFO L185 CegarLoopUtils]: At program point L611(line 611) the Hoare annotation is: false [2021-02-23 23:09:12,629 INFO L185 CegarLoopUtils]: At program point L611-1(line 611) the Hoare annotation is: false [2021-02-23 23:09:12,629 INFO L185 CegarLoopUtils]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 610) the Hoare annotation is: false [2021-02-23 23:09:12,629 INFO L185 CegarLoopUtils]: At program point L603-1(lines 591 613) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,630 INFO L185 CegarLoopUtils]: At program point L599(line 599) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,630 INFO L185 CegarLoopUtils]: At program point L599-1(line 599) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,630 INFO L185 CegarLoopUtils]: At program point L595(line 595) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,630 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) the Hoare annotation is: false [2021-02-23 23:09:12,630 INFO L185 CegarLoopUtils]: At program point L608-1(lines 591 613) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,631 INFO L192 CegarLoopUtils]: At program point L608-2(lines 591 613) the Hoare annotation is: true [2021-02-23 23:09:12,631 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,631 INFO L185 CegarLoopUtils]: At program point L604(line 604) the Hoare annotation is: false [2021-02-23 23:09:12,631 INFO L185 CegarLoopUtils]: At program point L604-1(lines 604 605) the Hoare annotation is: false [2021-02-23 23:09:12,631 INFO L185 CegarLoopUtils]: At program point L604-2(line 604) the Hoare annotation is: false [2021-02-23 23:09:12,632 INFO L185 CegarLoopUtils]: At program point L604-4(line 604) the Hoare annotation is: false [2021-02-23 23:09:12,632 INFO L185 CegarLoopUtils]: At program point L604-5(lines 604 605) the Hoare annotation is: false [2021-02-23 23:09:12,632 INFO L185 CegarLoopUtils]: At program point L596-2(lines 596 602) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-23 23:09:12,632 INFO L192 CegarLoopUtils]: At program point L592(line 592) the Hoare annotation is: true [2021-02-23 23:09:12,632 INFO L192 CegarLoopUtils]: At program point L592-1(line 592) the Hoare annotation is: true [2021-02-23 23:09:12,632 INFO L192 CegarLoopUtils]: At program point L577(line 577) the Hoare annotation is: true [2021-02-23 23:09:12,632 INFO L192 CegarLoopUtils]: At program point L576(line 576) the Hoare annotation is: true [2021-02-23 23:09:12,633 INFO L192 CegarLoopUtils]: At program point L575(line 575) the Hoare annotation is: true [2021-02-23 23:09:12,633 INFO L192 CegarLoopUtils]: At program point L576-1(line 576) the Hoare annotation is: true [2021-02-23 23:09:12,633 INFO L185 CegarLoopUtils]: At program point L574(line 574) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,633 INFO L192 CegarLoopUtils]: At program point L575-1(line 575) the Hoare annotation is: true [2021-02-23 23:09:12,633 INFO L185 CegarLoopUtils]: At program point L573(lines 573 579) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,633 INFO L192 CegarLoopUtils]: At program point L574-1(line 574) the Hoare annotation is: true [2021-02-23 23:09:12,634 INFO L192 CegarLoopUtils]: At program point L575-2(line 575) the Hoare annotation is: true [2021-02-23 23:09:12,634 INFO L185 CegarLoopUtils]: At program point L573-1(lines 573 579) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,634 INFO L192 CegarLoopUtils]: At program point append_to_listEXIT(lines 573 579) the Hoare annotation is: true [2021-02-23 23:09:12,634 INFO L185 CegarLoopUtils]: At program point append_to_listENTRY(lines 573 579) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:12,634 INFO L192 CegarLoopUtils]: At program point append_to_listFINAL(lines 573 579) the Hoare annotation is: true [2021-02-23 23:09:12,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:09:12 BoogieIcfgContainer [2021-02-23 23:09:12,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:09:12,657 INFO L168 Benchmark]: Toolchain (without parser) took 4034.47 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 125.9 MB in the beginning and 118.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:12,658 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:09:12,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.82 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 133.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:12,660 INFO L168 Benchmark]: Boogie Preprocessor took 84.40 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 129.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:12,660 INFO L168 Benchmark]: RCFGBuilder took 1001.02 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 82.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:12,661 INFO L168 Benchmark]: TraceAbstraction took 2270.44 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 82.2 MB in the beginning and 118.3 MB in the end (delta: -36.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:12,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 654.82 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 133.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 84.40 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 129.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1001.02 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 82.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2270.44 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 82.2 MB in the beginning and 118.3 MB in the end (delta: -36.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 610]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((0 == high && low == 0) && high == 0) && low == 0 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 580]: Procedure Contract for create_list Derived contract for procedure create_list: 1 - ProcedureContractResult [Line: 591]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 573]: Procedure Contract for append_to_list Derived contract for procedure append_to_list: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 102 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 229 SDtfs, 62 SDslu, 244 SDs, 0 SdLazy, 298 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 87 LocationsWithAnnotation, 100 PreInvPairs, 132 NumberOfFragments, 417 HoareAnnotationTreeSize, 100 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 87 FomulaSimplificationsInter, 126 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 9000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...