/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.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 SingleStatement --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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -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 0.1.25-c90d42b [2020-09-24 20:30:06,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:30:06,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:30:06,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:30:06,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:30:06,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:30:06,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:30:06,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:30:06,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:30:06,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:30:06,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:30:06,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:30:06,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:30:06,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:30:06,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:30:06,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:30:06,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:30:06,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:30:06,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:30:06,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:30:06,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:30:06,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:30:06,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:30:06,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:30:06,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:30:06,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:30:06,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:30:06,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:30:06,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:30:06,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:30:06,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:30:06,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:30:06,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:30:06,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:30:06,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:30:06,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:30:06,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:30:06,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:30:06,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:30:06,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:30:06,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:30:06,270 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 [2020-09-24 20:30:06,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:30:06,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:30:06,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:30:06,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:30:06,327 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:30:06,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:30:06,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:30:06,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:30:06,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:30:06,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:30:06,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:30:06,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:30:06,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:30:06,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:30:06,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:30:06,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:30:06,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:30:06,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:30:06,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:30:06,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:30:06,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:30:06,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:30:06,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:30:06,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:30:06,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:30:06,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:30:06,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:30:06,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:30:06,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:30:06,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=BIGGEST;log-additional-information=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=BIGGEST;log-additional-information=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=BIGGEST;log-additional-information=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=BIGGEST;log-additional-information=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=BIGGEST;log-additional-information=true; [2020-09-24 20:30:06,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:30:06,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:30:06,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:30:06,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:30:06,870 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:30:06,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-09-24 20:30:07,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6884a34c4/d813e53daf6147e2b7a1e2da9ceb1846/FLAG3716a9f9f [2020-09-24 20:30:07,638 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:30:07,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-09-24 20:30:07,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6884a34c4/d813e53daf6147e2b7a1e2da9ceb1846/FLAG3716a9f9f [2020-09-24 20:30:07,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6884a34c4/d813e53daf6147e2b7a1e2da9ceb1846 [2020-09-24 20:30:07,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:30:07,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:30:07,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:30:07,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:30:07,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:30:07,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:30:07" (1/1) ... [2020-09-24 20:30:07,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b5b388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:07, skipping insertion in model container [2020-09-24 20:30:07,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:30:07" (1/1) ... [2020-09-24 20:30:07,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:30:08,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:30:08,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:30:08,592 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:30:08,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:30:08,723 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:30:08,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08 WrapperNode [2020-09-24 20:30:08,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:30:08,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:30:08,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:30:08,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:30:08,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (1/1) ... [2020-09-24 20:30:08,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:30:08,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:30:08,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:30:08,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:30:08,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (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 [2020-09-24 20:30:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:30:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:30:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 20:30:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 20:30:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:30:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 20:30:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-24 20:30:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-24 20:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-24 20:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-24 20:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-24 20:30:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-24 20:30:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-24 20:30:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-24 20:30:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-24 20:30:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 20:30:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-24 20:30:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-24 20:30:08,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-24 20:30:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-24 20:30:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:30:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 20:30:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 20:30:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 20:30:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 20:30:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 20:30:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 20:30:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 20:30:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 20:30:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 20:30:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 20:30:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 20:30:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 20:30:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 20:30:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 20:30:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 20:30:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 20:30:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 20:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 20:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 20:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 20:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 20:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 20:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 20:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 20:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 20:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 20:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 20:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 20:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 20:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 20:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 20:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 20:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 20:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 20:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 20:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 20:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 20:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 20:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 20:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 20:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 20:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 20:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 20:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 20:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 20:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 20:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 20:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 20:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 20:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 20:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 20:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 20:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 20:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 20:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 20:30:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:30:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:30:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:30:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 20:30:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:30:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-24 20:30:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-24 20:30:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:30:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-24 20:30:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-24 20:30:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-24 20:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-24 20:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-24 20:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-24 20:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-24 20:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 20:30:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-24 20:30:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-24 20:30:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-24 20:30:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:30:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:30:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:30:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-24 20:30:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:30:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:30:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:30:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 20:30:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:30:09,750 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:30:09,750 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-24 20:30:09,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:30:09 BoogieIcfgContainer [2020-09-24 20:30:09,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:30:09,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:30:09,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:30:09,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:30:09,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:30:07" (1/3) ... [2020-09-24 20:30:09,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6520d996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:30:09, skipping insertion in model container [2020-09-24 20:30:09,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:30:08" (2/3) ... [2020-09-24 20:30:09,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6520d996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:30:09, skipping insertion in model container [2020-09-24 20:30:09,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:30:09" (3/3) ... [2020-09-24 20:30:09,766 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-09-24 20:30:09,778 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:30:09,789 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:30:09,807 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:30:09,834 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:30:09,834 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:30:09,834 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:30:09,835 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:30:09,835 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:30:09,835 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:30:09,835 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:30:09,835 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:30:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-24 20:30:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 20:30:09,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:30:09,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:30:09,888 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:30:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:30:09,896 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-24 20:30:09,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:30:09,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575322517] [2020-09-24 20:30:09,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:30:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:10,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:10,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:10,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:10,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:30:10,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:30:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-09-24 20:30:10,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:30:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-24 20:30:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:30:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:30:10,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:30:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:10,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:10,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:10,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:30:10,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:30:10,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:30:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:30:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:30:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:30:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 20:30:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:10,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:10,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:11,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:11,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:30:11,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:30:11,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 20:30:11,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:11,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:30:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:30:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:30:11,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:30:11,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:30:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:11,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:11,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:11,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:30:11,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:11,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 20:30:11,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:30:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:30:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 20:30:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:30:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-24 20:30:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:11,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:11,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:11,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:30:11,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:11,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 20:30:11,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:30:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:30:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 20:30:11,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:30:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 20:30:11,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575322517] [2020-09-24 20:30:11,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:30:11,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 20:30:11,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193696879] [2020-09-24 20:30:11,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:30:11,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:30:11,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:30:11,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:30:11,389 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 7 states. [2020-09-24 20:30:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:30:12,058 INFO L93 Difference]: Finished difference Result 188 states and 211 transitions. [2020-09-24 20:30:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 20:30:12,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2020-09-24 20:30:12,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:30:12,076 INFO L225 Difference]: With dead ends: 188 [2020-09-24 20:30:12,076 INFO L226 Difference]: Without dead ends: 95 [2020-09-24 20:30:12,081 INFO L675 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 [2020-09-24 20:30:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-24 20:30:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-24 20:30:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-24 20:30:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2020-09-24 20:30:12,158 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 50 [2020-09-24 20:30:12,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:30:12,159 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2020-09-24 20:30:12,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:30:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2020-09-24 20:30:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-24 20:30:12,164 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:30:12,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:30:12,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:30:12,165 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:30:12,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:30:12,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-24 20:30:12,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:30:12,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338422956] [2020-09-24 20:30:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:30:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:12,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:16,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:16,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 20:30:16,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:30:16,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4183 [2020-09-24 20:30:16,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 20:30:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 20:30:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 20:30:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:30:16,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:30:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:16,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:16,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:16,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:30:16,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:16,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 20:30:16,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:30:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:30:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:30:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:30:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 20:30:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:16,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:16,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:16,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 20:30:16,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-24 20:30:16,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 20:30:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:30:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 20:30:16,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:30:16,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:30:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 20:30:16,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 20:30:16,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:30:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:30:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 20:30:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:30:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 20:30:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:30:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:30:17,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:30:17,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 20:30:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:30:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:30:17,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:30:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:30:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 20:30:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:30:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:30:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 20:30:17,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338422956] [2020-09-24 20:30:17,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:30:17,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 20:30:17,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828345804] [2020-09-24 20:30:17,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 20:30:17,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:30:17,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 20:30:17,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-24 20:30:17,146 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand 13 states. [2020-09-24 20:30:17,571 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-09-24 20:30:17,787 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-09-24 20:30:17,975 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-09-24 20:30:18,675 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2020-09-24 20:30:18,912 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-09-24 20:30:19,093 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-09-24 20:30:19,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:30:19,363 INFO L93 Difference]: Finished difference Result 180 states and 188 transitions. [2020-09-24 20:30:19,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 20:30:19,364 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-09-24 20:30:19,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:30:19,370 INFO L225 Difference]: With dead ends: 180 [2020-09-24 20:30:19,370 INFO L226 Difference]: Without dead ends: 104 [2020-09-24 20:30:19,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=271, Invalid=851, Unknown=0, NotChecked=0, Total=1122 [2020-09-24 20:30:19,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-24 20:30:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 92. [2020-09-24 20:30:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-09-24 20:30:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2020-09-24 20:30:19,387 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 56 [2020-09-24 20:30:19,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:30:19,387 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2020-09-24 20:30:19,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 20:30:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2020-09-24 20:30:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 20:30:19,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:30:19,391 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:30:19,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:30:19,391 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:30:19,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:30:19,392 INFO L82 PathProgramCache]: Analyzing trace with hash -2001576911, now seen corresponding path program 1 times [2020-09-24 20:30:19,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:30:19,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678688103] [2020-09-24 20:30:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:30:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 20:30:19,447 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 20:30:19,447 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 20:30:19,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:30:19,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:30:19 BoogieIcfgContainer [2020-09-24 20:30:19,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 20:30:19,478 INFO L168 Benchmark]: Toolchain (without parser) took 11556.37 ms. Allocated memory was 140.5 MB in the beginning and 313.5 MB in the end (delta: 173.0 MB). Free memory was 101.3 MB in the beginning and 257.5 MB in the end (delta: -156.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2020-09-24 20:30:19,479 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 20:30:19,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.27 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 165.2 MB in the end (delta: -64.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-09-24 20:30:19,481 INFO L168 Benchmark]: Boogie Preprocessor took 91.14 ms. Allocated memory is still 203.9 MB. Free memory was 165.2 MB in the beginning and 161.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-09-24 20:30:19,482 INFO L168 Benchmark]: RCFGBuilder took 939.77 ms. Allocated memory is still 203.9 MB. Free memory was 161.9 MB in the beginning and 97.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. [2020-09-24 20:30:19,483 INFO L168 Benchmark]: TraceAbstraction took 9718.87 ms. Allocated memory was 203.9 MB in the beginning and 313.5 MB in the end (delta: 109.6 MB). Free memory was 96.8 MB in the beginning and 257.5 MB in the end (delta: -160.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 20:30:19,487 INFO L336 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 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 796.27 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 165.2 MB in the end (delta: -64.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.14 ms. Allocated memory is still 203.9 MB. Free memory was 165.2 MB in the beginning and 161.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 939.77 ms. Allocated memory is still 203.9 MB. Free memory was 161.9 MB in the beginning and 97.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9718.87 ms. Allocated memory was 203.9 MB in the beginning and 313.5 MB in the end (delta: 109.6 MB). Free memory was 96.8 MB in the beginning and 257.5 MB in the end (delta: -160.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 656]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L651] struct ldv_list_head s1 = { &(s1), &(s1) }; [L660] CALL foo() [L654] int j = __VERIFIER_nondet_int(); [L655] CALL ldv_set_add(j, &s1) [L622] CALL, EXPR ldv_is_in_set(new, s) [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L641] COND FALSE !(&m->list != (s)) [L646] return 0; [L622] RET, EXPR ldv_is_in_set(new, s) [L622] COND TRUE !ldv_is_in_set(new, s) [L623] struct ldv_list_element *le; [L624] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L624] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L624] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L625] le->e = new [L626] CALL ldv_list_add(&le->list, s) [L594] EXPR head->next [L594] CALL __ldv_list_add(new, head, head->next) [L582] next->prev = new [L583] new->next = next [L584] new->prev = prev [L585] prev->next = new [L594] RET __ldv_list_add(new, head, head->next) [L626] RET ldv_list_add(&le->list, s) [L655] RET ldv_set_add(j, &s1) [L656] CALL ldv_is_in_set(j, &s1) [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L641] COND TRUE &m->list != (s) [L642] EXPR m->e [L642] COND TRUE m->e == e [L643] return 1; [L656] RET ldv_is_in_set(j, &s1) [L656] COND TRUE ldv_is_in_set(j, &s1) [L656] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 181 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 167 SDtfs, 573 SDslu, 198 SDs, 0 SdLazy, 748 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 36895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 13/25 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...