/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=DEEPEST --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 [2020-09-25 00:58:56,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:58:56,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:58:56,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:58:56,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:58:56,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:58:56,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:58:56,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:58:56,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:58:56,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:58:56,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:58:56,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:58:56,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:58:56,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:58:56,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:58:56,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:58:57,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:58:57,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:58:57,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:58:57,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:58:57,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:58:57,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:58:57,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:58:57,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:58:57,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:58:57,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:58:57,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:58:57,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:58:57,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:58:57,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:58:57,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:58:57,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:58:57,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:58:57,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:58:57,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:58:57,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:58:57,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:58:57,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:58:57,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:58:57,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:58:57,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:58:57,045 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 [2020-09-25 00:58:57,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:58:57,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:58:57,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:58:57,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:58:57,101 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:58:57,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:58:57,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:58:57,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:58:57,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:58:57,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:58:57,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:58:57,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:58:57,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:58:57,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:58:57,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:58:57,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:58:57,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:58:57,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:58:57,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:58:57,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:58:57,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:58:57,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:58:57,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:58:57,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:58:57,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:58:57,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:58:57,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:58:57,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:58:57,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:58:57,108 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:58:57,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:58:57,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:58:57,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:58:57,651 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:58:57,652 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:58:57,653 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-09-25 00:58:57,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faebccae1/f35bb43a1db24197ad66cfbb34157aa5/FLAG209d321f7 [2020-09-25 00:58:58,387 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:58:58,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-09-25 00:58:58,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faebccae1/f35bb43a1db24197ad66cfbb34157aa5/FLAG209d321f7 [2020-09-25 00:58:58,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faebccae1/f35bb43a1db24197ad66cfbb34157aa5 [2020-09-25 00:58:58,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:58:58,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:58:58,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:58:58,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:58:58,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:58:58,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:58:58" (1/1) ... [2020-09-25 00:58:58,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4afdcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:58, skipping insertion in model container [2020-09-25 00:58:58,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:58:58" (1/1) ... [2020-09-25 00:58:58,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:58:58,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:58:59,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:58:59,326 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:58:59,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:58:59,474 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:58:59,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59 WrapperNode [2020-09-25 00:58:59,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:58:59,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:58:59,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:58:59,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:58:59,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (1/1) ... [2020-09-25 00:58:59,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:58:59,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:58:59,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:58:59,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:58:59,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (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 [2020-09-25 00:58:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:58:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:58:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 00:58:59,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 00:58:59,678 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:58:59,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 00:58:59,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 00:58:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 00:58:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 00:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 00:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 00:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 00:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 00:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 00:58:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 00:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 00:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 00:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 00:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 00:58:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 00:58:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 00:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 00:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 00:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 00:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 00:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 00:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 00:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 00:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 00:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 00:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 00:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 00:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 00:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 00:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 00:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 00:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 00:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 00:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 00:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 00:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 00:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 00:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 00:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 00:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 00:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 00:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 00:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 00:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 00:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 00:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 00:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 00:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 00:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 00:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 00:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 00:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 00:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 00:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 00:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 00:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 00:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 00:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 00:58:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 00:58:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 00:58:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 00:58:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:58:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 00:58:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 00:58:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:58:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 00:58:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 00:58:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 00:58:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 00:58:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:58:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 00:58:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 00:58:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 00:58:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 00:58:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 00:58:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 00:58:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 00:58:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 00:58:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 00:58:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 00:58:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 00:58:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 00:58:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 00:58:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 00:58:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 00:58:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 00:58:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 00:58:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 00:58:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 00:58:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 00:58:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 00:58:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 00:58:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 00:58:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 00:58:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 00:58:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 00:58:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 00:58:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 00:58:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 00:58:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:58:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:58:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:58:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 00:58:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:58:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 00:58:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 00:58:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:58:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 00:58:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 00:58:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 00:58:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 00:58:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 00:58:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 00:58:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:58:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:58:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:58:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 00:58:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:58:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:58:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:58:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 00:58:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:59:00,436 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:59:00,436 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 00:59:00,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:59:00 BoogieIcfgContainer [2020-09-25 00:59:00,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:59:00,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:59:00,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:59:00,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:59:00,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:58:58" (1/3) ... [2020-09-25 00:59:00,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f921aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:59:00, skipping insertion in model container [2020-09-25 00:59:00,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:58:59" (2/3) ... [2020-09-25 00:59:00,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f921aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:59:00, skipping insertion in model container [2020-09-25 00:59:00,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:59:00" (3/3) ... [2020-09-25 00:59:00,452 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-09-25 00:59:00,465 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:59:00,478 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:59:00,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:59:00,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:59:00,536 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:59:00,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:59:00,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:59:00,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:59:00,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:59:00,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:59:00,537 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:59:00,564 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-25 00:59:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 00:59:00,575 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:00,577 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] [2020-09-25 00:59:00,577 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:00,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:00,586 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-25 00:59:00,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:00,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873067116] [2020-09-25 00:59:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:00,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:01,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 00:59:01,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:59:01,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 694 [2020-09-25 00:59:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-25 00:59:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:59:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:59:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:01,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:01,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:01,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:59:01,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:01,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:01,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:59:01,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:59:01,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 00:59:01,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:59:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:59:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:01,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:01,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:01,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:59:01,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 00:59:01,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:59:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:01,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:59:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:01,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:01,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:01,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:59:01,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:01,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:59:01,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:59:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 00:59:01,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873067116] [2020-09-25 00:59:01,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:59:01,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 00:59:01,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816360825] [2020-09-25 00:59:01,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 00:59:01,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:02,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 00:59:02,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:59:02,007 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 7 states. [2020-09-25 00:59:02,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:02,661 INFO L93 Difference]: Finished difference Result 188 states and 211 transitions. [2020-09-25 00:59:02,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:59:02,663 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2020-09-25 00:59:02,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:02,677 INFO L225 Difference]: With dead ends: 188 [2020-09-25 00:59:02,677 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 00:59:02,683 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 [2020-09-25 00:59:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 00:59:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-25 00:59:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 00:59:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2020-09-25 00:59:02,752 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 50 [2020-09-25 00:59:02,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:02,753 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2020-09-25 00:59:02,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 00:59:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2020-09-25 00:59:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 00:59:02,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:02,757 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] [2020-09-25 00:59:02,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:59:02,758 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:02,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:02,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-25 00:59:02,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:02,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773739543] [2020-09-25 00:59:02,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:02,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:02,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:07,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 00:59:07,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:59:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4288 [2020-09-25 00:59:07,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 00:59:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 00:59:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:59:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:07,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:07,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:07,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 00:59:07,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:07,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:59:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:59:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:07,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 00:59:07,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 00:59:07,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 00:59:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 00:59:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:59:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:07,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:07,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:07,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 00:59:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 00:59:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 00:59:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:59:07,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:59:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:07,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:07,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:07,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 00:59:07,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:59:07,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 00:59:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:59:07,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773739543] [2020-09-25 00:59:07,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:59:07,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 00:59:07,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394927092] [2020-09-25 00:59:07,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 00:59:07,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:07,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 00:59:07,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:59:07,819 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand 13 states. [2020-09-25 00:59:08,262 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-09-25 00:59:08,528 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-09-25 00:59:08,724 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-09-25 00:59:09,633 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-09-25 00:59:09,780 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-09-25 00:59:10,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:10,003 INFO L93 Difference]: Finished difference Result 180 states and 188 transitions. [2020-09-25 00:59:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 00:59:10,004 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-09-25 00:59:10,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:10,008 INFO L225 Difference]: With dead ends: 180 [2020-09-25 00:59:10,008 INFO L226 Difference]: Without dead ends: 104 [2020-09-25 00:59:10,012 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 [2020-09-25 00:59:10,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-25 00:59:10,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 92. [2020-09-25 00:59:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-09-25 00:59:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2020-09-25 00:59:10,040 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 56 [2020-09-25 00:59:10,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:10,040 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2020-09-25 00:59:10,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 00:59:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2020-09-25 00:59:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 00:59:10,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:10,044 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] [2020-09-25 00:59:10,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:59:10,044 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:10,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:10,045 INFO L82 PathProgramCache]: Analyzing trace with hash -2001576911, now seen corresponding path program 1 times [2020-09-25 00:59:10,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:10,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016351553] [2020-09-25 00:59:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:59:10,100 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:59:10,100 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:59:10,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:59:10,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:59:10 BoogieIcfgContainer [2020-09-25 00:59:10,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:59:10,137 INFO L168 Benchmark]: Toolchain (without parser) took 11482.78 ms. Allocated memory was 139.5 MB in the beginning and 331.4 MB in the end (delta: 191.9 MB). Free memory was 101.4 MB in the beginning and 118.3 MB in the end (delta: -16.8 MB). Peak memory consumption was 175.1 MB. Max. memory is 7.1 GB. [2020-09-25 00:59:10,138 INFO L168 Benchmark]: CDTParser took 0.22 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: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:59:10,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.02 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 163.5 MB in the end (delta: -62.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:59:10,139 INFO L168 Benchmark]: Boogie Preprocessor took 104.49 ms. Allocated memory is still 201.3 MB. Free memory was 163.5 MB in the beginning and 160.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-25 00:59:10,140 INFO L168 Benchmark]: RCFGBuilder took 861.11 ms. Allocated memory is still 201.3 MB. Free memory was 160.1 MB in the beginning and 95.6 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:59:10,141 INFO L168 Benchmark]: TraceAbstraction took 9691.03 ms. Allocated memory was 201.3 MB in the beginning and 331.4 MB in the end (delta: 130.0 MB). Free memory was 94.9 MB in the beginning and 118.3 MB in the end (delta: -23.3 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB. [2020-09-25 00:59:10,145 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 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 816.02 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 163.5 MB in the end (delta: -62.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.49 ms. Allocated memory is still 201.3 MB. Free memory was 163.5 MB in the beginning and 160.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 861.11 ms. Allocated memory is still 201.3 MB. Free memory was 160.1 MB in the beginning and 95.6 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9691.03 ms. Allocated memory was 201.3 MB in the beginning and 331.4 MB in the end (delta: 130.0 MB). Free memory was 94.9 MB in the beginning and 118.3 MB in the end (delta: -23.3 MB). Peak memory consumption was 106.7 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: 9.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.8s, 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...