/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-sets/test_add-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:55:58,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:55:58,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:55:58,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:55:58,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:55:58,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:55:58,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:55:58,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:55:58,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:55:58,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:55:58,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:55:58,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:55:58,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:55:58,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:55:58,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:55:58,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:55:58,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:55:58,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:55:58,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:55:58,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:55:58,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:55:58,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:55:58,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:55:58,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:55:58,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:55:58,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:55:58,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:55:58,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:55:58,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:55:58,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:55:58,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:55:58,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:55:58,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:55:58,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:55:58,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:55:58,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:55:58,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:55:58,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:55:58,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:55:58,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:55:58,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:55:58,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:55:58,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:55:58,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:55:58,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:55:58,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:55:58,377 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:55:58,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:55:58,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:55:58,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:55:58,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:55:58,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:55:58,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:55:58,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:55:58,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:55:58,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:55:58,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:55:58,380 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:55:58,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:55:58,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:55:58,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:55:58,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:55:58,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:55:58,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:55:58,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:55:58,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:55:58,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:55:58,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:55:58,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:55:58,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:55:58,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:55:58,384 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:55:58,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:55:58,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:55:58,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:55:58,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:55:58,814 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:55:58,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-10-27 19:55:58,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7866d9927/826134c32f8345319014c587b1a3fbf8/FLAG6d5d4062d [2020-10-27 19:55:59,696 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:55:59,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-10-27 19:55:59,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7866d9927/826134c32f8345319014c587b1a3fbf8/FLAG6d5d4062d [2020-10-27 19:55:59,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7866d9927/826134c32f8345319014c587b1a3fbf8 [2020-10-27 19:55:59,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:55:59,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:55:59,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:55:59,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:56:00,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:56:00,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:55:59" (1/1) ... [2020-10-27 19:56:00,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6900fecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00, skipping insertion in model container [2020-10-27 19:56:00,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:55:59" (1/1) ... [2020-10-27 19:56:00,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:56:00,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:56:00,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:56:00,473 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:56:00,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:56:00,657 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:56:00,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00 WrapperNode [2020-10-27 19:56:00,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:56:00,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:56:00,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:56:00,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:56:00,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... [2020-10-27 19:56:00,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:56:00,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:56:00,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:56:00,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:56:00,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:56:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:56:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:56:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 19:56:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 19:56:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:56:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 19:56:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 19:56:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-27 19:56:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-27 19:56:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-27 19:56:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-27 19:56:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-27 19:56:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-27 19:56:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-27 19:56:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-27 19:56:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-27 19:56:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 19:56:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-27 19:56:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-27 19:56:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-27 19:56:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-27 19:56:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:56:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 19:56:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 19:56:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 19:56:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 19:56:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 19:56:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 19:56:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 19:56:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 19:56:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 19:56:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 19:56:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 19:56:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 19:56:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 19:56:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 19:56:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 19:56:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 19:56:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 19:56:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 19:56:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 19:56:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 19:56:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 19:56:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 19:56:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:56:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 19:56:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 19:56:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 19:56:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 19:56:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 19:56:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 19:56:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 19:56:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 19:56:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 19:56:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 19:56:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 19:56:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 19:56:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 19:56:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 19:56:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 19:56:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:56:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:56:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 19:56:00,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 19:56:00,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 19:56:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 19:56:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-27 19:56:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-27 19:56:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 19:56:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-27 19:56:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-27 19:56:00,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-27 19:56:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 19:56:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-27 19:56:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-27 19:56:00,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-27 19:56:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-27 19:56:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 19:56:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-27 19:56:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-27 19:56:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:56:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 19:56:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:56:01,658 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:56:01,659 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 19:56:01,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:56:01 BoogieIcfgContainer [2020-10-27 19:56:01,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:56:01,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:56:01,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:56:01,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:56:01,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:55:59" (1/3) ... [2020-10-27 19:56:01,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1bb00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:56:01, skipping insertion in model container [2020-10-27 19:56:01,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:00" (2/3) ... [2020-10-27 19:56:01,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1bb00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:56:01, skipping insertion in model container [2020-10-27 19:56:01,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:56:01" (3/3) ... [2020-10-27 19:56:01,670 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-10-27 19:56:01,683 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:56:01,689 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:56:01,704 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:56:01,733 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:56:01,733 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:56:01,733 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:56:01,733 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:56:01,733 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:56:01,734 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:56:01,734 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:56:01,734 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:56:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-27 19:56:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 19:56:01,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:01,762 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, 1, 1] [2020-10-27 19:56:01,762 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:01,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1016243908, now seen corresponding path program 1 times [2020-10-27 19:56:01,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:01,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827563023] [2020-10-27 19:56:01,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:02,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:02,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:02,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:02,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:02,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:02,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 809 [2020-10-27 19:56:02,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:02,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 19:56:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 19:56:02,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:02,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:02,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:02,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:02,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:56:02,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:02,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:02,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:02,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:56:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:02,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:02,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:02,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:02,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:02,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:02,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 19:56:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:56:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:02,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:03,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:03,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:03,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:03,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:03,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:03,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:56:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:03,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:03,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:03,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:03,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:03,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 19:56:03,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827563023] [2020-10-27 19:56:03,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:03,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 19:56:03,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812762881] [2020-10-27 19:56:03,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:56:03,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:03,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:56:03,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:56:03,099 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 7 states. [2020-10-27 19:56:03,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:03,681 INFO L93 Difference]: Finished difference Result 122 states and 149 transitions. [2020-10-27 19:56:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 19:56:03,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-27 19:56:03,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:03,693 INFO L225 Difference]: With dead ends: 122 [2020-10-27 19:56:03,693 INFO L226 Difference]: Without dead ends: 58 [2020-10-27 19:56:03,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 19:56:03,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-27 19:56:03,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2020-10-27 19:56:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 19:56:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2020-10-27 19:56:03,753 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 30 [2020-10-27 19:56:03,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:03,754 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2020-10-27 19:56:03,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:56:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-10-27 19:56:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 19:56:03,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:03,757 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, 1, 1] [2020-10-27 19:56:03,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:56:03,757 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:03,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:03,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1344639438, now seen corresponding path program 1 times [2020-10-27 19:56:03,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:03,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118037524] [2020-10-27 19:56:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:03,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:04,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:04,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1080 [2020-10-27 19:56:04,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:04,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:56:04,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 19:56:04,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:04,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:56:04,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:56:04,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:56:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:05,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 19:56:05,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:05,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 19:56:05,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:56:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:05,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 19:56:05,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118037524] [2020-10-27 19:56:05,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:05,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 19:56:05,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455976525] [2020-10-27 19:56:05,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 19:56:05,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:05,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 19:56:05,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-27 19:56:05,276 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 9 states. [2020-10-27 19:56:06,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:06,551 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2020-10-27 19:56:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 19:56:06,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-27 19:56:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:06,555 INFO L225 Difference]: With dead ends: 102 [2020-10-27 19:56:06,555 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 19:56:06,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-27 19:56:06,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 19:56:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2020-10-27 19:56:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 19:56:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2020-10-27 19:56:06,570 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 30 [2020-10-27 19:56:06,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:06,570 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2020-10-27 19:56:06,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 19:56:06,570 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2020-10-27 19:56:06,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 19:56:06,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:06,576 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, 1, 1] [2020-10-27 19:56:06,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:56:06,577 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:06,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:06,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1605817482, now seen corresponding path program 1 times [2020-10-27 19:56:06,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:06,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276066715] [2020-10-27 19:56:06,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 19:56:06,631 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 19:56:06,631 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 19:56:06,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:56:06,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:56:06 BoogieIcfgContainer [2020-10-27 19:56:06,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:56:06,667 INFO L168 Benchmark]: Toolchain (without parser) took 6676.02 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 136.4 MB in the beginning and 103.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 8.0 GB. [2020-10-27 19:56:06,667 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 125.8 MB. Free memory is still 84.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:56:06,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.59 ms. Allocated memory is still 162.5 MB. Free memory was 135.8 MB in the beginning and 109.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 19:56:06,670 INFO L168 Benchmark]: Boogie Preprocessor took 113.60 ms. Allocated memory is still 162.5 MB. Free memory was 109.6 MB in the beginning and 106.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:56:06,671 INFO L168 Benchmark]: RCFGBuilder took 888.01 ms. Allocated memory is still 162.5 MB. Free memory was 106.2 MB in the beginning and 102.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 17.4 MB. Max. memory is 8.0 GB. [2020-10-27 19:56:06,673 INFO L168 Benchmark]: TraceAbstraction took 4998.77 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 102.4 MB in the beginning and 103.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2020-10-27 19:56:06,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 125.8 MB. Free memory is still 84.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 661.59 ms. Allocated memory is still 162.5 MB. Free memory was 135.8 MB in the beginning and 109.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 113.60 ms. Allocated memory is still 162.5 MB. Free memory was 109.6 MB in the beginning and 106.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 888.01 ms. Allocated memory is still 162.5 MB. Free memory was 106.2 MB in the beginning and 102.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 17.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4998.77 ms. Allocated memory was 162.5 MB in the beginning and 195.0 MB in the end (delta: 32.5 MB). Free memory was 102.4 MB in the beginning and 103.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; [L671] CALL foo() [L665] int j = __VERIFIER_nondet_int(); [L666] CALL ldv_set_add(j, &s1) [L633] CALL, EXPR ldv_is_in_set(new, s) [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) );}) [L652] COND FALSE !(&m->list != (s)) [L657] return 0; [L633] RET, EXPR ldv_is_in_set(new, s) [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; [L635] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L635] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new [L637] CALL ldv_list_add(&le->list, s) [L605] EXPR head->next [L605] CALL __ldv_list_add(new, head, head->next) [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new [L605] RET __ldv_list_add(new, head, head->next) [L637] RET ldv_list_add(&le->list, s) [L666] RET ldv_set_add(j, &s1) [L667] CALL ldv_is_in_set(j, &s1) [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) );}) [L652] COND TRUE &m->list != (s) [L653] EXPR m->e [L653] COND TRUE m->e == e [L654] return 1; [L667] RET ldv_is_in_set(j, &s1) [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] CALL reach_error() [L562] COND FALSE !(0) [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 200 SDslu, 146 SDs, 0 SdLazy, 446 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 14094 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 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...