/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=NARROWEST --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 [2020-10-13 10:30:52,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:30:52,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:30:52,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:30:52,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:30:52,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:30:52,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:30:52,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:30:52,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:30:52,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:30:52,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:30:52,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:30:52,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:30:52,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:30:52,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:30:52,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:30:52,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:30:52,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:30:52,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:30:52,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:30:52,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:30:52,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:30:52,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:30:52,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:30:52,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:30:52,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:30:52,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:30:52,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:30:52,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:30:52,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:30:52,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:30:52,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:30:52,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:30:52,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:30:52,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:30:52,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:30:52,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:30:52,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:30:52,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:30:52,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:30:52,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:30:52,467 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 [2020-10-13 10:30:52,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:30:52,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:30:52,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:30:52,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:30:52,510 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:30:52,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:30:52,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:30:52,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:30:52,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:30:52,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:30:52,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:30:52,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:30:52,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:30:52,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:30:52,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:30:52,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:30:52,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:30:52,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:30:52,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:30:52,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:30:52,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:30:52,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:30:52,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:30:52,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:30:52,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:30:52,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:30:52,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:30:52,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:30:52,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:30:52,516 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:30:52,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:30:52,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:30:52,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:30:52,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:30:52,878 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:30:52,878 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-10-13 10:30:52,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd9df3ff4/a9914fcccb7e4719b98617b81363874c/FLAG52a7b2d73 [2020-10-13 10:30:53,520 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:30:53,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i [2020-10-13 10:30:53,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd9df3ff4/a9914fcccb7e4719b98617b81363874c/FLAG52a7b2d73 [2020-10-13 10:30:53,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd9df3ff4/a9914fcccb7e4719b98617b81363874c [2020-10-13 10:30:53,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:30:53,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:30:53,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:30:53,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:30:53,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:30:53,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:30:53" (1/1) ... [2020-10-13 10:30:53,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dadf5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:53, skipping insertion in model container [2020-10-13 10:30:53,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:30:53" (1/1) ... [2020-10-13 10:30:53,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:30:53,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:30:54,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:30:54,371 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:30:54,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:30:54,492 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:30:54,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54 WrapperNode [2020-10-13 10:30:54,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:30:54,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:30:54,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:30:54,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:30:54,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... [2020-10-13 10:30:54,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:30:54,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:30:54,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:30:54,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:30:54,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:30:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:30:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:30:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:30:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:30:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 10:30:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 10:30:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-13 10:30:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-13 10:30:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-13 10:30:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-13 10:30:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-13 10:30:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-13 10:30:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-13 10:30:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-13 10:30:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-13 10:30:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 10:30:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-13 10:30:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-13 10:30:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-13 10:30:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-13 10:30:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:30:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:30:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:30:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:30:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:30:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:30:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:30:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:30:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:30:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:30:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:30:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:30:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:30:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:30:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:30:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:30:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:30:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:30:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:30:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:30:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:30:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:30:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:30:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:30:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:30:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:30:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:30:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:30:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:30:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:30:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:30:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:30:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:30:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:30:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:30:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:30:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:30:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:30:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:30:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:30:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 10:30:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 10:30:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 10:30:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:30:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-13 10:30:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-13 10:30:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-13 10:30:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-13 10:30:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-13 10:30:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 10:30:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-13 10:30:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-13 10:30:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:30:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:30:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 10:30:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:30:55,281 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:30:55,281 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 10:30:55,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:30:55 BoogieIcfgContainer [2020-10-13 10:30:55,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:30:55,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:30:55,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:30:55,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:30:55,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:30:53" (1/3) ... [2020-10-13 10:30:55,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3605ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:30:55, skipping insertion in model container [2020-10-13 10:30:55,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:30:54" (2/3) ... [2020-10-13 10:30:55,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3605ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:30:55, skipping insertion in model container [2020-10-13 10:30:55,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:30:55" (3/3) ... [2020-10-13 10:30:55,296 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2020-10-13 10:30:55,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:30:55,320 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:30:55,335 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:30:55,362 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:30:55,362 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:30:55,362 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:30:55,362 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:30:55,363 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:30:55,363 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:30:55,363 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:30:55,363 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:30:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-13 10:30:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 10:30:55,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:30:55,398 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] [2020-10-13 10:30:55,398 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:30:55,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:30:55,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1154845074, now seen corresponding path program 1 times [2020-10-13 10:30:55,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:30:55,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387156468] [2020-10-13 10:30:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:30:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:55,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:30:56,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:30:56,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-13 10:30:56,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 10:30:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:30:56,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:30:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:30:56,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:30:56,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:56,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 10:30:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:30:56,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:30:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 10:30:56,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:30:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:30:56,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:30:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:30:56,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:30:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:56,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:56,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:30:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:30:56,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:56,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:30:56,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:56,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:30:56,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:56,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 10:30:56,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387156468] [2020-10-13 10:30:56,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:30:56,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:30:56,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183383628] [2020-10-13 10:30:56,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:30:56,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:30:56,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:30:56,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:30:56,350 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2020-10-13 10:30:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:30:56,593 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2020-10-13 10:30:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 10:30:56,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-13 10:30:56,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:30:56,607 INFO L225 Difference]: With dead ends: 108 [2020-10-13 10:30:56,607 INFO L226 Difference]: Without dead ends: 53 [2020-10-13 10:30:56,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:30:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-13 10:30:56,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-13 10:30:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-13 10:30:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2020-10-13 10:30:56,669 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 28 [2020-10-13 10:30:56,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:30:56,669 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2020-10-13 10:30:56,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:30:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-10-13 10:30:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 10:30:56,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:30:56,672 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] [2020-10-13 10:30:56,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:30:56,673 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:30:56,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:30:56,674 INFO L82 PathProgramCache]: Analyzing trace with hash 221547774, now seen corresponding path program 1 times [2020-10-13 10:30:56,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:30:56,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051491648] [2020-10-13 10:30:56,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:30:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:30:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:30:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-13 10:30:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:30:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 10:30:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:30:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 10:30:56,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:30:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:56,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:56,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:30:56,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:56,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:30:56,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:56,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:56,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 10:30:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:57,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:57,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:30:57,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:57,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 10:30:57,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:30:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:30:57,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:30:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:30:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:57,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:57,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:57,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:30:57,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:57,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:30:57,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:30:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:30:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:30:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:57,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:57,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:30:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:30:57,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:30:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 10:30:57,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051491648] [2020-10-13 10:30:57,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:30:57,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 10:30:57,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317797] [2020-10-13 10:30:57,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:30:57,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:30:57,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:30:57,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:30:57,115 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 6 states. [2020-10-13 10:30:57,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:30:57,439 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2020-10-13 10:30:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:30:57,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-13 10:30:57,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:30:57,443 INFO L225 Difference]: With dead ends: 71 [2020-10-13 10:30:57,443 INFO L226 Difference]: Without dead ends: 57 [2020-10-13 10:30:57,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:30:57,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-13 10:30:57,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-10-13 10:30:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-13 10:30:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2020-10-13 10:30:57,457 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28 [2020-10-13 10:30:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:30:57,458 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2020-10-13 10:30:57,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:30:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2020-10-13 10:30:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 10:30:57,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:30:57,460 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] [2020-10-13 10:30:57,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:30:57,460 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:30:57,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:30:57,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2088028185, now seen corresponding path program 1 times [2020-10-13 10:30:57,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:30:57,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734849169] [2020-10-13 10:30:57,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:30:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:57,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:57,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:58,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:58,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:30:58,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:30:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1075 [2020-10-13 10:30:58,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:30:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 10:30:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:30:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:30:58,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:30:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:58,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:58,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:58,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:30:58,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:30:58,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:58,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 10:30:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:58,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:58,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:58,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:30:58,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:58,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:30:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:30:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:58,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:58,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:30:58,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:30:58,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:30:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:30:58,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:58,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:30:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:58,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:58,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:58,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:30:58,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:30:58,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:30:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:30:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-13 10:30:58,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734849169] [2020-10-13 10:30:58,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:30:58,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:30:58,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569355615] [2020-10-13 10:30:58,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:30:58,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:30:58,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:30:58,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:30:58,694 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2020-10-13 10:30:58,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:30:58,988 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2020-10-13 10:30:58,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:30:58,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-13 10:30:58,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:30:58,990 INFO L225 Difference]: With dead ends: 63 [2020-10-13 10:30:58,990 INFO L226 Difference]: Without dead ends: 57 [2020-10-13 10:30:58,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:30:58,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-13 10:30:58,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-10-13 10:30:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-13 10:30:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2020-10-13 10:30:59,001 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 28 [2020-10-13 10:30:59,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:30:59,001 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2020-10-13 10:30:59,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:30:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-10-13 10:30:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 10:30:59,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:30:59,003 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] [2020-10-13 10:30:59,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:30:59,003 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:30:59,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:30:59,004 INFO L82 PathProgramCache]: Analyzing trace with hash -513424880, now seen corresponding path program 1 times [2020-10-13 10:30:59,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:30:59,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564955552] [2020-10-13 10:30:59,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:30:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:59,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:59,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:30:59,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:30:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-13 10:30:59,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:30:59,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:30:59,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 10:30:59,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:30:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:59,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:59,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:30:59,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:30:59,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:30:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:30:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:30:59,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:59,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 10:30:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:59,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:30:59,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:30:59,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:30:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:30:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 10:30:59,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:30:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:30:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:30:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 10:30:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:30:59,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:30:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:30:59,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:00,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:00,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:00,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 10:31:00,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:00,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:00,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:00,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:31:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:31:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:00,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:00,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:00,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 10:31:00,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564955552] [2020-10-13 10:31:00,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:00,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:31:00,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473859875] [2020-10-13 10:31:00,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:31:00,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:00,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:31:00,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:31:00,122 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 9 states. [2020-10-13 10:31:01,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:01,049 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-10-13 10:31:01,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 10:31:01,049 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-13 10:31:01,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:01,051 INFO L225 Difference]: With dead ends: 98 [2020-10-13 10:31:01,051 INFO L226 Difference]: Without dead ends: 55 [2020-10-13 10:31:01,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:31:01,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-13 10:31:01,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2020-10-13 10:31:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-13 10:31:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2020-10-13 10:31:01,061 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 28 [2020-10-13 10:31:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:01,061 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2020-10-13 10:31:01,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:31:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2020-10-13 10:31:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 10:31:01,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:01,063 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] [2020-10-13 10:31:01,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:31:01,064 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:01,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1823590536, now seen corresponding path program 1 times [2020-10-13 10:31:01,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:01,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53186116] [2020-10-13 10:31:01,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 10:31:01,102 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 10:31:01,102 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 10:31:01,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:31:01,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:31:01 BoogieIcfgContainer [2020-10-13 10:31:01,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:31:01,131 INFO L168 Benchmark]: Toolchain (without parser) took 7344.42 ms. Allocated memory was 146.8 MB in the beginning and 325.1 MB in the end (delta: 178.3 MB). Free memory was 100.3 MB in the beginning and 269.7 MB in the end (delta: -169.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:31:01,131 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 10:31:01,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.03 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 100.1 MB in the beginning and 164.0 MB in the end (delta: -63.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:31:01,133 INFO L168 Benchmark]: Boogie Preprocessor took 74.15 ms. Allocated memory is still 202.4 MB. Free memory was 164.0 MB in the beginning and 160.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-13 10:31:01,134 INFO L168 Benchmark]: RCFGBuilder took 717.35 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 103.8 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:31:01,135 INFO L168 Benchmark]: TraceAbstraction took 5839.62 ms. Allocated memory was 202.4 MB in the beginning and 325.1 MB in the end (delta: 122.7 MB). Free memory was 103.1 MB in the beginning and 269.7 MB in the end (delta: -166.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 10:31:01,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.03 ms. Allocated memory was 146.8 MB in the beginning and 202.4 MB in the end (delta: 55.6 MB). Free memory was 100.1 MB in the beginning and 164.0 MB in the end (delta: -63.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.15 ms. Allocated memory is still 202.4 MB. Free memory was 164.0 MB in the beginning and 160.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 717.35 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 103.8 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5839.62 ms. Allocated memory was 202.4 MB in the beginning and 325.1 MB in the end (delta: 122.7 MB). Free memory was 103.1 MB in the beginning and 269.7 MB in the end (delta: -166.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 656]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L651] struct ldv_list_head s1 = { &(s1), &(s1) }; [L660] CALL foo() [L654] int j = __VERIFIER_nondet_int(); [L655] CALL ldv_set_add(j, &s1) [L622] CALL, EXPR ldv_is_in_set(new, s) [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L641] COND FALSE !(&m->list != (s)) [L646] return 0; [L622] RET, EXPR ldv_is_in_set(new, s) [L622] COND TRUE !ldv_is_in_set(new, s) [L623] struct ldv_list_element *le; [L624] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L565] void *ptr = malloc(size); [L566] CALL assume_abort_if_not(ptr!=0) [L554] COND FALSE !(!cond) [L566] RET assume_abort_if_not(ptr!=0) [L567] return ptr; [L624] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L624] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L625] le->e = new [L626] CALL ldv_list_add(&le->list, s) [L594] EXPR head->next [L594] CALL __ldv_list_add(new, head, head->next) [L582] next->prev = new [L583] new->next = next [L584] new->prev = prev [L585] prev->next = new [L594] RET __ldv_list_add(new, head, head->next) [L626] RET ldv_list_add(&le->list, s) [L655] RET ldv_set_add(j, &s1) [L656] CALL ldv_is_in_set(j, &s1) [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L641] COND TRUE &m->list != (s) [L642] EXPR m->e [L642] COND TRUE m->e == e [L643] return 1; [L656] RET ldv_is_in_set(j, &s1) [L656] COND TRUE ldv_is_in_set(j, &s1) [L656] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 177 SDtfs, 286 SDslu, 164 SDs, 0 SdLazy, 523 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s 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, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 13770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 13/19 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...