/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 15:44:01,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 15:44:01,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 15:44:01,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 15:44:01,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 15:44:01,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 15:44:01,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 15:44:01,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 15:44:01,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 15:44:01,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 15:44:01,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 15:44:01,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 15:44:01,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 15:44:01,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 15:44:01,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 15:44:01,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 15:44:01,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 15:44:01,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 15:44:01,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 15:44:01,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 15:44:01,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 15:44:01,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 15:44:01,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 15:44:01,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 15:44:01,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 15:44:01,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 15:44:01,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 15:44:01,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 15:44:01,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 15:44:01,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 15:44:01,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 15:44:01,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 15:44:01,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 15:44:01,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 15:44:01,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 15:44:01,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 15:44:01,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 15:44:01,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 15:44:01,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 15:44:01,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 15:44:01,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 15:44:01,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 15:44:01,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 15:44:01,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 15:44:01,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 15:44:01,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 15:44:01,206 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 15:44:01,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 15:44:01,207 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 15:44:01,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 15:44:01,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 15:44:01,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 15:44:01,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 15:44:01,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 15:44:01,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 15:44:01,208 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 15:44:01,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 15:44:01,209 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 15:44:01,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 15:44:01,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 15:44:01,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 15:44:01,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 15:44:01,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 15:44:01,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:44:01,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 15:44:01,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 15:44:01,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 15:44:01,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 15:44:01,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 15:44:01,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 15:44:01,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 15:44:01,211 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 15:44:01,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 15:44:01,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 15:44:01,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 15:44:01,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 15:44:01,529 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 15:44:01,530 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-10-12 15:44:01,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5b0aef3e/5a24873d88e34a499176599cebf5bf66/FLAG24869f157 [2020-10-12 15:44:02,114 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 15:44:02,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-10-12 15:44:02,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5b0aef3e/5a24873d88e34a499176599cebf5bf66/FLAG24869f157 [2020-10-12 15:44:02,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5b0aef3e/5a24873d88e34a499176599cebf5bf66 [2020-10-12 15:44:02,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 15:44:02,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 15:44:02,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 15:44:02,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 15:44:02,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 15:44:02,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:44:02" (1/1) ... [2020-10-12 15:44:02,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463ae2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:02, skipping insertion in model container [2020-10-12 15:44:02,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:44:02" (1/1) ... [2020-10-12 15:44:02,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 15:44:02,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 15:44:02,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:44:02,963 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 15:44:03,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:44:03,095 INFO L208 MainTranslator]: Completed translation [2020-10-12 15:44:03,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03 WrapperNode [2020-10-12 15:44:03,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 15:44:03,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 15:44:03,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 15:44:03,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 15:44:03,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... [2020-10-12 15:44:03,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 15:44:03,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 15:44:03,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 15:44:03,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 15:44:03,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:44:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 15:44:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 15:44:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-12 15:44:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-12 15:44:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 15:44:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 15:44:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-12 15:44:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-12 15:44:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-12 15:44:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-12 15:44:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-12 15:44:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-12 15:44:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-12 15:44:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-12 15:44:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 15:44:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-12 15:44:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-12 15:44:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-12 15:44:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-12 15:44:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-12 15:44:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-12 15:44:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-12 15:44:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-12 15:44:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-12 15:44:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-12 15:44:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-12 15:44:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-12 15:44:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-12 15:44:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-12 15:44:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-12 15:44:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-12 15:44:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-12 15:44:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-12 15:44:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-12 15:44:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-12 15:44:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-12 15:44:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-12 15:44:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 15:44:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-12 15:44:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-12 15:44:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 15:44:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-12 15:44:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-12 15:44:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-12 15:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-12 15:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 15:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-12 15:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-12 15:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 15:44:03,238 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-12 15:44:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-12 15:44:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-12 15:44:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-12 15:44:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-12 15:44:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-12 15:44:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-12 15:44:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-12 15:44:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-12 15:44:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-12 15:44:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-12 15:44:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-12 15:44:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-12 15:44:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-12 15:44:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-12 15:44:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-12 15:44:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-12 15:44:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-12 15:44:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-12 15:44:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-12 15:44:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 15:44:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 15:44:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 15:44:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 15:44:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 15:44:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-12 15:44:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-12 15:44:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 15:44:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-12 15:44:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-12 15:44:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-12 15:44:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 15:44:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-12 15:44:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-12 15:44:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-12 15:44:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-12 15:44:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-12 15:44:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-12 15:44:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-12 15:44:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-12 15:44:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 15:44:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 15:44:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 15:44:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-12 15:44:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 15:44:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 15:44:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 15:44:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 15:44:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 15:44:03,874 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 15:44:03,875 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 15:44:03,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:44:03 BoogieIcfgContainer [2020-10-12 15:44:03,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 15:44:03,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 15:44:03,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 15:44:03,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 15:44:03,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 03:44:02" (1/3) ... [2020-10-12 15:44:03,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727f068c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:44:03, skipping insertion in model container [2020-10-12 15:44:03,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:44:03" (2/3) ... [2020-10-12 15:44:03,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727f068c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:44:03, skipping insertion in model container [2020-10-12 15:44:03,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:44:03" (3/3) ... [2020-10-12 15:44:03,887 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-10-12 15:44:03,897 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 15:44:03,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 15:44:03,919 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 15:44:03,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 15:44:03,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 15:44:03,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 15:44:03,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 15:44:03,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 15:44:03,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 15:44:03,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 15:44:03,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 15:44:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-12 15:44:03,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 15:44:03,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:03,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:03,965 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:03,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:03,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1154845074, now seen corresponding path program 1 times [2020-10-12 15:44:03,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:03,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638908089] [2020-10-12 15:44:03,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:04,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 15:44:04,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 15:44:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-12 15:44:04,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-12 15:44:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 15:44:04,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:04,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:04,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:04,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:04,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 15:44:04,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:04,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 15:44:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:04,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:04,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 15:44:04,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 15:44:04,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 15:44:04,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:04,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:04,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 15:44:04,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 15:44:04,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:04,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:04,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:04,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:04,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:04,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 15:44:04,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:04,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:04,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:04,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:04,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:04,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 15:44:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:04,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:04,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:04,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:04,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:04,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 15:44:04,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:04,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 15:44:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 15:44:04,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:44:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 15:44:04,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638908089] [2020-10-12 15:44:04,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 15:44:04,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 15:44:04,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745112027] [2020-10-12 15:44:04,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 15:44:04,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:44:05,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 15:44:05,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 15:44:05,012 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 7 states. [2020-10-12 15:44:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:44:05,489 INFO L93 Difference]: Finished difference Result 116 states and 139 transitions. [2020-10-12 15:44:05,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 15:44:05,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-12 15:44:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:44:05,501 INFO L225 Difference]: With dead ends: 116 [2020-10-12 15:44:05,501 INFO L226 Difference]: Without dead ends: 57 [2020-10-12 15:44:05,505 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 [2020-10-12 15:44:05,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-12 15:44:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-10-12 15:44:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-12 15:44:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2020-10-12 15:44:05,559 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 28 [2020-10-12 15:44:05,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:44:05,560 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2020-10-12 15:44:05,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 15:44:05,560 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-10-12 15:44:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 15:44:05,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:05,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:05,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 15:44:05,563 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:05,564 INFO L82 PathProgramCache]: Analyzing trace with hash -513424880, now seen corresponding path program 1 times [2020-10-12 15:44:05,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:05,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897404984] [2020-10-12 15:44:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:05,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:05,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 15:44:06,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:44:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-12 15:44:06,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 15:44:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 15:44:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 15:44:06,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:06,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:44:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:44:06,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 15:44:06,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:44:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 15:44:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:06,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 15:44:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 15:44:06,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:06,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 15:44:06,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 15:44:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 15:44:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 15:44:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:06,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 15:44:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:06,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 15:44:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 15:44:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:44:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 15:44:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:06,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 15:44:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:44:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:44:06,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:44:06,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:44:06,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:44:06,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 15:44:06,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:44:06,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:44:06,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 15:44:06,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:44:06,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:44:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 15:44:06,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897404984] [2020-10-12 15:44:06,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 15:44:06,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 15:44:06,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677884584] [2020-10-12 15:44:06,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 15:44:06,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:44:06,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 15:44:06,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-12 15:44:06,457 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 9 states. [2020-10-12 15:44:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:44:07,319 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-10-12 15:44:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 15:44:07,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-12 15:44:07,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:44:07,324 INFO L225 Difference]: With dead ends: 98 [2020-10-12 15:44:07,324 INFO L226 Difference]: Without dead ends: 55 [2020-10-12 15:44:07,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-12 15:44:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-12 15:44:07,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2020-10-12 15:44:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-12 15:44:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2020-10-12 15:44:07,336 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 28 [2020-10-12 15:44:07,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:44:07,336 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2020-10-12 15:44:07,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 15:44:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2020-10-12 15:44:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-12 15:44:07,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:44:07,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:44:07,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 15:44:07,340 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:44:07,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:44:07,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1823590536, now seen corresponding path program 1 times [2020-10-12 15:44:07,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:44:07,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287061579] [2020-10-12 15:44:07,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:44:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 15:44:07,380 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 15:44:07,380 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 15:44:07,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 15:44:07,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 03:44:07 BoogieIcfgContainer [2020-10-12 15:44:07,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 15:44:07,407 INFO L168 Benchmark]: Toolchain (without parser) took 4994.74 ms. Allocated memory was 142.1 MB in the beginning and 282.6 MB in the end (delta: 140.5 MB). Free memory was 102.0 MB in the beginning and 146.3 MB in the end (delta: -44.3 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. [2020-10-12 15:44:07,408 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 15:44:07,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.02 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 101.8 MB in the beginning and 165.4 MB in the end (delta: -63.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-12 15:44:07,410 INFO L168 Benchmark]: Boogie Preprocessor took 73.06 ms. Allocated memory is still 203.9 MB. Free memory was 165.4 MB in the beginning and 162.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-10-12 15:44:07,411 INFO L168 Benchmark]: RCFGBuilder took 708.59 ms. Allocated memory is still 203.9 MB. Free memory was 162.2 MB in the beginning and 105.1 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2020-10-12 15:44:07,412 INFO L168 Benchmark]: TraceAbstraction took 3524.43 ms. Allocated memory was 203.9 MB in the beginning and 282.6 MB in the end (delta: 78.6 MB). Free memory was 104.5 MB in the beginning and 146.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2020-10-12 15:44:07,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.02 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 101.8 MB in the beginning and 165.4 MB in the end (delta: -63.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.06 ms. Allocated memory is still 203.9 MB. Free memory was 165.4 MB in the beginning and 162.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 708.59 ms. Allocated memory is still 203.9 MB. Free memory was 162.2 MB in the beginning and 105.1 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3524.43 ms. Allocated memory was 203.9 MB in the beginning and 282.6 MB in the end (delta: 78.6 MB). Free memory was 104.5 MB in the beginning and 146.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 36.8 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, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 194 SDslu, 144 SDs, 0 SdLazy, 424 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 10746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 6/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...