/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:39:56,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:39:56,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:39:56,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:39:56,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:39:56,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:39:56,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:39:56,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:39:56,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:39:56,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:39:56,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:39:56,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:39:56,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:39:56,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:39:56,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:39:56,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:39:56,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:39:56,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:39:56,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:39:56,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:39:56,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:39:56,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:39:56,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:39:56,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:39:56,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:39:56,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:39:56,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:39:56,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:39:56,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:39:56,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:39:56,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:39:56,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:39:56,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:39:56,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:39:56,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:39:56,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:39:56,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:39:56,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:39:56,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:39:56,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:39:56,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:39:56,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:39:56,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:39:56,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:39:56,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:39:56,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:39:56,326 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:39:56,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:39:56,328 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:39:56,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:39:56,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:39:56,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:39:56,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:39:56,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:39:56,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:39:56,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:39:56,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:39:56,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:39:56,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:39:56,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:39:56,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:39:56,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:39:56,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:39:56,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:39:56,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:39:56,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:39:56,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:39:56,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:39:56,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:39:56,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:39:56,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:39:56,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:39:56,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:39:56,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:39:56,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:39:56,790 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:39:56,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2021-02-23 13:39:56,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf0f2690/e1a7b43385d04df5b00f0426e06aa04e/FLAG789aaa097 [2021-02-23 13:39:57,522 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:39:57,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-1.i [2021-02-23 13:39:57,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf0f2690/e1a7b43385d04df5b00f0426e06aa04e/FLAG789aaa097 [2021-02-23 13:39:57,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf0f2690/e1a7b43385d04df5b00f0426e06aa04e [2021-02-23 13:39:57,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:39:57,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:39:57,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:39:57,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:39:57,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:39:57,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:39:57" (1/1) ... [2021-02-23 13:39:57,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ff8e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:57, skipping insertion in model container [2021-02-23 13:39:57,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:39:57" (1/1) ... [2021-02-23 13:39:57,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:39:57,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:39:58,393 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-1.i[25792,25805] [2021-02-23 13:39:58,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:39:58,410 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:39:58,512 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-1.i[25792,25805] [2021-02-23 13:39:58,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:39:58,609 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:39:58,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58 WrapperNode [2021-02-23 13:39:58,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:39:58,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:39:58,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:39:58,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:39:58,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (1/1) ... [2021-02-23 13:39:58,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:39:58,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:39:58,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:39:58,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:39:58,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (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 13:39:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:39:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:39:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 13:39:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 13:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 13:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-23 13:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-02-23 13:39:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-02-23 13:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-02-23 13:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-02-23 13:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-02-23 13:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-02-23 13:39:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-02-23 13:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2021-02-23 13:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2021-02-23 13:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2021-02-23 13:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2021-02-23 13:39:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-02-23 13:39:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2021-02-23 13:39:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-02-23 13:39:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:39:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 13:39:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 13:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 13:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 13:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 13:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 13:39:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 13:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 13:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 13:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 13:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 13:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 13:39:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 13:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 13:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 13:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 13:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 13:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 13:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 13:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 13:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 13:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 13:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 13:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 13:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 13:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 13:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 13:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 13:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 13:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 13:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 13:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 13:39:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 13:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 13:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 13:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 13:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 13:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 13:39:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 13:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 13:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 13:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 13:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 13:39:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 13:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 13:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 13:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 13:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 13:39:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 13:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 13:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 13:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 13:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 13:39:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 13:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 13:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 13:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 13:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 13:39:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 13:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 13:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 13:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 13:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 13:39:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 13:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 13:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 13:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 13:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 13:39:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 13:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 13:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 13:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 13:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 13:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 13:39:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 13:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 13:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 13:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 13:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 13:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 13:39:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 13:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 13:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 13:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 13:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 13:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 13:39:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 13:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 13:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 13:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 13:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 13:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 13:39:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 13:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 13:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 13:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 13:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 13:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 13:39:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 13:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 13:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 13:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 13:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:39:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 13:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-23 13:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-02-23 13:39:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-02-23 13:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-02-23 13:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-02-23 13:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-02-23 13:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:39:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-02-23 13:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-02-23 13:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2021-02-23 13:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2021-02-23 13:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2021-02-23 13:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2021-02-23 13:39:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-02-23 13:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2021-02-23 13:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-02-23 13:39:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 13:39:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:39:59,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:39:59,748 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-23 13:39:59,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:39:59 BoogieIcfgContainer [2021-02-23 13:39:59,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:39:59,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:39:59,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:39:59,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:39:59,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:39:57" (1/3) ... [2021-02-23 13:39:59,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ab18ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:39:59, skipping insertion in model container [2021-02-23 13:39:59,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:39:58" (2/3) ... [2021-02-23 13:39:59,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ab18ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:39:59, skipping insertion in model container [2021-02-23 13:39:59,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:39:59" (3/3) ... [2021-02-23 13:39:59,764 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2021-02-23 13:39:59,772 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:39:59,779 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:39:59,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:39:59,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:39:59,844 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:39:59,844 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:39:59,844 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:39:59,844 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:39:59,844 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:39:59,844 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:39:59,845 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:39:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2021-02-23 13:39:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-23 13:39:59,873 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:39:59,874 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:39:59,875 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:39:59,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:39:59,884 INFO L82 PathProgramCache]: Analyzing trace with hash 96940350, now seen corresponding path program 1 times [2021-02-23 13:39:59,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:39:59,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943455904] [2021-02-23 13:39:59,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:00,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:00,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 13:40:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:00,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,307 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 13:40:00,308 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 13:40:00,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:40:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:00,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:40:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:00,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-23 13:40:00,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943455904] [2021-02-23 13:40:00,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568215548] [2021-02-23 13:40:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-23 13:40:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:00,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-23 13:40:00,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:40:00,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:00,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:00,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:00,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:00,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:00,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:40:00,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:00,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:00,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:01,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:01,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:01,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:01,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:01,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:40:01,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 13:40:01,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:01,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:40:01,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 13:40:01,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 13:40:01,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:40:01,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-23 13:40:01,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-02-23 13:40:01,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781586360] [2021-02-23 13:40:01,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:40:01,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:01,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:40:01,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:40:01,112 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2021-02-23 13:40:01,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:01,163 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2021-02-23 13:40:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:40:01,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2021-02-23 13:40:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:01,175 INFO L225 Difference]: With dead ends: 100 [2021-02-23 13:40:01,175 INFO L226 Difference]: Without dead ends: 50 [2021-02-23 13:40:01,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:40:01,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-02-23 13:40:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-02-23 13:40:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-02-23 13:40:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-02-23 13:40:01,225 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28 [2021-02-23 13:40:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:01,225 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-02-23 13:40:01,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:40:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-02-23 13:40:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-23 13:40:01,228 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:01,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:40:01,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-02-23 13:40:01,442 INFO L428 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:01,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:01,443 INFO L82 PathProgramCache]: Analyzing trace with hash 2082331687, now seen corresponding path program 1 times [2021-02-23 13:40:01,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:01,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401551278] [2021-02-23 13:40:01,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:01,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:01,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:01,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 13:40:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:01,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:40:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:01,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:40:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:01,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:01,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:01,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 13:40:01,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401551278] [2021-02-23 13:40:01,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:40:01,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:40:01,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863743814] [2021-02-23 13:40:01,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:40:01,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:01,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:40:01,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:40:01,752 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2021-02-23 13:40:02,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:02,263 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2021-02-23 13:40:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:40:02,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2021-02-23 13:40:02,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:02,266 INFO L225 Difference]: With dead ends: 63 [2021-02-23 13:40:02,266 INFO L226 Difference]: Without dead ends: 57 [2021-02-23 13:40:02,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:40:02,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-02-23 13:40:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2021-02-23 13:40:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-02-23 13:40:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2021-02-23 13:40:02,280 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 28 [2021-02-23 13:40:02,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:02,280 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2021-02-23 13:40:02,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:40:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2021-02-23 13:40:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-23 13:40:02,282 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:02,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:40:02,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:40:02,282 INFO L428 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:02,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:02,283 INFO L82 PathProgramCache]: Analyzing trace with hash -638032304, now seen corresponding path program 1 times [2021-02-23 13:40:02,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:02,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524633394] [2021-02-23 13:40:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:02,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:40:02,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:40:02,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:40:02,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:40:02,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:02,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:02,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:40:02,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 13:40:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:02,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:40:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:02,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:02,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:40:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:02,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 13:40:02,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:02,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:40:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 13:40:02,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524633394] [2021-02-23 13:40:02,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:40:02,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 13:40:02,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568735762] [2021-02-23 13:40:02,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:40:02,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:02,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:40:02,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:40:02,534 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 8 states. [2021-02-23 13:40:03,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:03,349 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-02-23 13:40:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 13:40:03,350 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2021-02-23 13:40:03,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:03,352 INFO L225 Difference]: With dead ends: 82 [2021-02-23 13:40:03,352 INFO L226 Difference]: Without dead ends: 69 [2021-02-23 13:40:03,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-02-23 13:40:03,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-23 13:40:03,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 52. [2021-02-23 13:40:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-02-23 13:40:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-02-23 13:40:03,365 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 28 [2021-02-23 13:40:03,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:03,365 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-02-23 13:40:03,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:40:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-02-23 13:40:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-02-23 13:40:03,367 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:03,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:40:03,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:40:03,367 INFO L428 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:03,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1041531512, now seen corresponding path program 1 times [2021-02-23 13:40:03,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:03,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370005009] [2021-02-23 13:40:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:40:03,409 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:40:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:40:03,441 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:40:03,478 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:40:03,478 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:40:03,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:40:03,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:40:03 BoogieIcfgContainer [2021-02-23 13:40:03,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:40:03,530 INFO L168 Benchmark]: Toolchain (without parser) took 5752.07 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 127.4 MB in the beginning and 100.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 72.8 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:03,530 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:40:03,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.43 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 100.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:03,531 INFO L168 Benchmark]: Boogie Preprocessor took 199.24 ms. Allocated memory is still 153.1 MB. Free memory was 100.1 MB in the beginning and 135.0 MB in the end (delta: -34.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:03,532 INFO L168 Benchmark]: RCFGBuilder took 940.13 ms. Allocated memory is still 153.1 MB. Free memory was 134.5 MB in the beginning and 81.0 MB in the end (delta: 53.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:03,532 INFO L168 Benchmark]: TraceAbstraction took 3775.43 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 80.5 MB in the beginning and 100.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:03,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 817.43 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 100.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 199.24 ms. Allocated memory is still 153.1 MB. Free memory was 100.1 MB in the beginning and 135.0 MB in the end (delta: -34.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 940.13 ms. Allocated memory is still 153.1 MB. Free memory was 134.5 MB in the beginning and 81.0 MB in the end (delta: 53.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3775.43 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 80.5 MB in the beginning and 100.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 667]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; VAL [\old(s1)=null, \old(s1)=null, s1={3:0}] [L671] CALL foo() VAL [s1={3:0}] [L665] int j = __VERIFIER_nondet_int(); [L666] CALL ldv_set_add(j, &s1) VAL [\old(new)=0, s={3:0}, s1={3:0}] [L633] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=0, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND FALSE !(&m->list != (s)) VAL [\old(e)=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L657] return 0; VAL [\old(e)=0, \result=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L633] RET, EXPR ldv_is_in_set(new, s) VAL [\old(new)=0, ldv_is_in_set(new, s)=0, new=0, s={3:0}, s={3:0}, s1={3:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; VAL [\old(new)=0, new=0, s={3:0}, s={3:0}, s1={3:0}] [L635] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, s1={3:0}] [L576] void *ptr = malloc(size); VAL [\old(size)=12, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L577] CALL assume_abort_if_not(ptr!=0) VAL [\old(cond)=1, s1={3:0}] [L565] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s1={3:0}] [L577] RET assume_abort_if_not(ptr!=0) VAL [\old(size)=12, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L578] return ptr; VAL [\old(size)=12, \result={-1:0}, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L635] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(new)=0, ldv_successful_malloc(sizeof(struct ldv_list_element))={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new VAL [\old(new)=0, le={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L637] CALL ldv_list_add(&le->list, s) VAL [head={3:0}, new={-1:4}, s1={3:0}] [L605] EXPR head->next VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L605] CALL __ldv_list_add(new, head, head->next) VAL [new={-1:4}, next={3:0}, prev={3:0}, s1={3:0}] [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new VAL [new={-1:4}, new={-1:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}, s1={3:0}] [L605] RET __ldv_list_add(new, head, head->next) VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L637] RET ldv_list_add(&le->list, s) VAL [\old(new)=0, le={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L666] RET ldv_set_add(j, &s1) VAL [j=0, s1={3:0}] [L667] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=0, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={-1:4}, e=0, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [\old(e)=0, __mptr={-1:4}, e=0, m={-1:0}, m->e=0, s={3:0}, s={3:0}, s1={3:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [\old(e)=0, \result=1, __mptr={-1:4}, e=0, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L667] RET ldv_is_in_set(j, &s1) VAL [j=0, ldv_is_in_set(j, &s1)=1, s1={3:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] reach_error() VAL [j=0, s1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 179 SDslu, 180 SDs, 0 SdLazy, 281 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 13851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 17/19 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...