/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 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 17:08:52,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:08:52,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:08:52,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:08:52,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:08:52,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:08:52,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:08:52,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:08:52,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:08:52,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:08:52,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:08:52,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:08:52,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:08:52,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:08:52,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:08:52,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:08:52,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:08:52,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:08:52,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:08:52,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:08:52,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:08:52,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:08:52,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:08:52,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:08:52,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:08:52,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:08:52,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:08:52,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:08:52,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:08:52,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:08:52,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:08:52,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:08:52,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:08:52,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:08:52,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:08:52,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:08:52,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:08:52,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:08:52,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:08:52,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:08:52,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:08:52,287 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 17:08:52,333 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:08:52,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:08:52,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:08:52,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:08:52,336 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:08:52,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:08:52,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:08:52,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:08:52,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:08:52,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:08:52,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:08:52,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:08:52,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:08:52,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:08:52,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:08:52,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:08:52,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:08:52,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:08:52,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:08:52,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:08:52,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:08:52,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:08:52,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:08:52,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:08:52,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:08:52,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:08:52,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:08:52,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:08:52,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:08:52,343 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;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;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;log-additional-information=true; [2020-09-24 17:08:52,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:08:52,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:08:52,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:08:52,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:08:52,825 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:08:52,827 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-09-24 17:08:52,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3d22c530/d28408b38d7242e7936aeac5893ded0e/FLAG60f283847 [2020-09-24 17:08:53,602 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:08:53,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-09-24 17:08:53,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3d22c530/d28408b38d7242e7936aeac5893ded0e/FLAG60f283847 [2020-09-24 17:08:53,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3d22c530/d28408b38d7242e7936aeac5893ded0e [2020-09-24 17:08:53,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:08:53,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:08:53,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:08:53,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:08:53,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:08:53,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:08:53" (1/1) ... [2020-09-24 17:08:53,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105928f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:53, skipping insertion in model container [2020-09-24 17:08:53,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:08:53" (1/1) ... [2020-09-24 17:08:53,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:08:53,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:08:54,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:08:54,442 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:08:54,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:08:54,586 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:08:54,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54 WrapperNode [2020-09-24 17:08:54,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:08:54,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:08:54,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:08:54,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:08:54,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (1/1) ... [2020-09-24 17:08:54,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:08:54,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:08:54,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:08:54,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:08:54,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (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 17:08:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:08:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:08:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 17:08:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 17:08:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:08:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 17:08:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-24 17:08:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-24 17:08:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-24 17:08:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-24 17:08:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-24 17:08:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-24 17:08:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-24 17:08:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-24 17:08:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-24 17:08:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 17:08:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-24 17:08:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-24 17:08:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-24 17:08:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-24 17:08:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:08:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 17:08:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 17:08:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 17:08:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 17:08:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 17:08:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 17:08:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 17:08:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 17:08:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 17:08:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 17:08:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 17:08:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 17:08:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 17:08:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 17:08:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 17:08:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 17:08:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 17:08:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 17:08:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 17:08:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 17:08:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 17:08:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 17:08:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 17:08:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 17:08:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 17:08:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 17:08:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 17:08:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 17:08:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 17:08:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 17:08:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 17:08:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 17:08:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 17:08:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 17:08:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 17:08:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 17:08:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 17:08:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 17:08:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 17:08:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 17:08:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 17:08:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 17:08:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 17:08:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 17:08:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 17:08:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 17:08:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 17:08:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 17:08:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 17:08:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 17:08:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 17:08:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 17:08:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:08:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 17:08:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 17:08:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:08:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 17:08:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 17:08:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 17:08:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 17:08:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:08:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 17:08:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 17:08:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 17:08:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 17:08:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 17:08:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 17:08:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 17:08:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 17:08:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 17:08:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 17:08:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 17:08:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 17:08:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 17:08:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 17:08:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 17:08:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 17:08:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 17:08:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 17:08:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 17:08:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 17:08:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 17:08:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 17:08:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 17:08:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 17:08:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 17:08:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 17:08:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 17:08:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 17:08:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 17:08:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:08:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:08:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:08:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 17:08:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:08:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-24 17:08:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-24 17:08:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:08:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-24 17:08:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-24 17:08:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-24 17:08:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:08:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-24 17:08:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-24 17:08:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-24 17:08:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-24 17:08:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 17:08:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-24 17:08:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-24 17:08:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-24 17:08:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:08:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:08:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:08:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-24 17:08:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:08:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:08:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:08:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 17:08:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:08:55,592 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:08:55,593 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-24 17:08:55,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:08:55 BoogieIcfgContainer [2020-09-24 17:08:55,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:08:55,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:08:55,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:08:55,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:08:55,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:08:53" (1/3) ... [2020-09-24 17:08:55,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d86b98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:08:55, skipping insertion in model container [2020-09-24 17:08:55,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:08:54" (2/3) ... [2020-09-24 17:08:55,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d86b98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:08:55, skipping insertion in model container [2020-09-24 17:08:55,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:08:55" (3/3) ... [2020-09-24 17:08:55,609 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-09-24 17:08:55,622 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:08:55,633 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:08:55,655 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:08:55,683 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:08:55,684 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:08:55,684 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:08:55,684 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:08:55,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:08:55,684 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:08:55,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:08:55,685 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:08:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-24 17:08:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 17:08:55,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:08:55,725 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 17:08:55,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:08:55,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:08:55,734 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-24 17:08:55,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:08:55,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302866244] [2020-09-24 17:08:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:08:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:08:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:56,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:08:56,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:08:56,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:08:56,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 794 [2020-09-24 17:08:56,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:08:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:08:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-24 17:08:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 17:08:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:08:56,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:08:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:08:56,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:56,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:08:56,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 17:08:56,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:08:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 17:08:56,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:08:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:08:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:08:56,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:08:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:08:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 17:08:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:08:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:56,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:08:57,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 17:08:57,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:08:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 17:08:57,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:08:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:08:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:08:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:08:57,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:08:57,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:08:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:08:57,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:57,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:08:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:08:57,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:08:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 17:08:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:08:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:08:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:08:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:08:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:08:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-24 17:08:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:08:57,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:57,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:08:57,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:08:57,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:08:57,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 17:08:57,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:08:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:08:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:08:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 17:08:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:08:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 17:08:57,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302866244] [2020-09-24 17:08:57,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:08:57,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:08:57,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060998268] [2020-09-24 17:08:57,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:08:57,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:08:57,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:08:57,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:08:57,235 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2020-09-24 17:08:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:08:57,870 INFO L93 Difference]: Finished difference Result 186 states and 208 transitions. [2020-09-24 17:08:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 17:08:57,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-24 17:08:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:08:57,890 INFO L225 Difference]: With dead ends: 186 [2020-09-24 17:08:57,891 INFO L226 Difference]: Without dead ends: 93 [2020-09-24 17:08:57,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-24 17:08:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-24 17:08:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 85. [2020-09-24 17:08:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-24 17:08:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 88 transitions. [2020-09-24 17:08:57,969 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 88 transitions. Word has length 50 [2020-09-24 17:08:57,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:08:57,970 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 88 transitions. [2020-09-24 17:08:57,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:08:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2020-09-24 17:08:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 17:08:57,974 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:08:57,974 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] [2020-09-24 17:08:57,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:08:57,975 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:08:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:08:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2040636956, now seen corresponding path program 1 times [2020-09-24 17:08:57,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:08:57,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891581424] [2020-09-24 17:08:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:08:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:08:58,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:58,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:08:58,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:09:11,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:09:11,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 17:09:11,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:09:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13356 [2020-09-24 17:09:11,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:09:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 17:09:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 17:09:11,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 17:09:11,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:09:11,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:09:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:09:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:09:11,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:09:11,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 17:09:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:09:11,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 17:09:11,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:09:11,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:09:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:09:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:09:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 17:09:11,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 17:09:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:09:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:09:11,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:09:11,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:09:11,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 17:09:11,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:09:11,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-24 17:09:11,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:09:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 17:09:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:09:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 17:09:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:09:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:09:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:09:11,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:09:11,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:09:11,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:09:11,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:09:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 17:09:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:09:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 17:09:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:09:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 17:09:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:09:12,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-24 17:09:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:09:12,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:09:12,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:09:12,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 17:09:12,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:09:12,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 17:09:12,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:09:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 17:09:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 17:09:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 17:09:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:09:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-24 17:09:12,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891581424] [2020-09-24 17:09:12,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 17:09:12,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 17:09:12,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310346676] [2020-09-24 17:09:12,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 17:09:12,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:09:12,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 17:09:12,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-24 17:09:12,232 INFO L87 Difference]: Start difference. First operand 85 states and 88 transitions. Second operand 13 states. [2020-09-24 17:09:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:09:13,653 INFO L93 Difference]: Finished difference Result 181 states and 188 transitions. [2020-09-24 17:09:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 17:09:13,656 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2020-09-24 17:09:13,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:09:13,658 INFO L225 Difference]: With dead ends: 181 [2020-09-24 17:09:13,659 INFO L226 Difference]: Without dead ends: 104 [2020-09-24 17:09:13,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=222, Invalid=770, Unknown=0, NotChecked=0, Total=992 [2020-09-24 17:09:13,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-24 17:09:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 92. [2020-09-24 17:09:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-09-24 17:09:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2020-09-24 17:09:13,687 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 53 [2020-09-24 17:09:13,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:09:13,688 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2020-09-24 17:09:13,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 17:09:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2020-09-24 17:09:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-24 17:09:13,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:09:13,697 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 17:09:13,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:09:13,700 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:09:13,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:09:13,700 INFO L82 PathProgramCache]: Analyzing trace with hash -2001576911, now seen corresponding path program 1 times [2020-09-24 17:09:13,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:09:13,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850222206] [2020-09-24 17:09:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:09:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 17:09:13,786 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 17:09:13,786 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 17:09:13,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:09:13,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:09:13 BoogieIcfgContainer [2020-09-24 17:09:13,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:09:13,823 INFO L168 Benchmark]: Toolchain (without parser) took 19996.56 ms. Allocated memory was 139.5 MB in the beginning and 400.0 MB in the end (delta: 260.6 MB). Free memory was 101.1 MB in the beginning and 284.7 MB in the end (delta: -183.6 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. [2020-09-24 17:09:13,824 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 17:09:13,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.52 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 165.7 MB in the end (delta: -65.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:09:13,826 INFO L168 Benchmark]: Boogie Preprocessor took 86.76 ms. Allocated memory is still 203.4 MB. Free memory was 165.7 MB in the beginning and 161.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-24 17:09:13,827 INFO L168 Benchmark]: RCFGBuilder took 923.90 ms. Allocated memory is still 203.4 MB. Free memory was 161.7 MB in the beginning and 97.1 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:09:13,828 INFO L168 Benchmark]: TraceAbstraction took 18219.22 ms. Allocated memory was 203.4 MB in the beginning and 400.0 MB in the end (delta: 196.6 MB). Free memory was 97.1 MB in the beginning and 284.7 MB in the end (delta: -187.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-09-24 17:09:13,832 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.52 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 165.7 MB in the end (delta: -65.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.76 ms. Allocated memory is still 203.4 MB. Free memory was 165.7 MB in the beginning and 161.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 923.90 ms. Allocated memory is still 203.4 MB. Free memory was 161.7 MB in the beginning and 97.1 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18219.22 ms. Allocated memory was 203.4 MB in the beginning and 400.0 MB in the end (delta: 196.6 MB). Free memory was 97.1 MB in the beginning and 284.7 MB in the end (delta: -187.6 MB). Peak memory consumption was 9.0 MB. 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: 18.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 433 SDslu, 177 SDs, 0 SdLazy, 660 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.3s 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, 15.4s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 31246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 19/21 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...