/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:13:32,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:13:32,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:13:32,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:13:32,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:13:32,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:13:32,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:13:32,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:13:32,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:13:32,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:13:32,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:13:32,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:13:32,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:13:32,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:13:32,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:13:32,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:13:32,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:13:32,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:13:32,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:13:32,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:13:32,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:13:32,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:13:32,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:13:32,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:13:32,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:13:32,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:13:32,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:13:32,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:13:32,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:13:32,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:13:32,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:13:32,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:13:32,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:13:32,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:13:32,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:13:32,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:13:32,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:13:32,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:13:32,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:13:32,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:13:32,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:13:32,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:13:32,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:13:32,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:13:32,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:13:32,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:13:32,408 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:13:32,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:13:32,408 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:13:32,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:13:32,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:13:32,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:13:32,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:13:32,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:13:32,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:13:32,410 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:13:32,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:13:32,410 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:13:32,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:13:32,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:13:32,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:13:32,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:13:32,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:13:32,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:13:32,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:13:32,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:13:32,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:13:32,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:13:32,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:13:32,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:13:32,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:13:32,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:13:32,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:13:32,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:13:32,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:13:32,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:13:32,901 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:13:32,902 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-25 03:13:32,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/805c015cd/3fc268def93248d3901b249b801e0eab/FLAG04efcecb4 [2020-09-25 03:13:33,598 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:13:33,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-25 03:13:33,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/805c015cd/3fc268def93248d3901b249b801e0eab/FLAG04efcecb4 [2020-09-25 03:13:33,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/805c015cd/3fc268def93248d3901b249b801e0eab [2020-09-25 03:13:33,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:13:33,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:13:33,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:33,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:13:33,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:13:33,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:33" (1/1) ... [2020-09-25 03:13:33,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4366909b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:33, skipping insertion in model container [2020-09-25 03:13:33,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:13:33" (1/1) ... [2020-09-25 03:13:33,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:13:33,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:13:34,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:34,438 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:13:34,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:13:34,609 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:13:34,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34 WrapperNode [2020-09-25 03:13:34,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:13:34,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:13:34,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:13:34,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:13:34,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... [2020-09-25 03:13:34,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:13:34,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:13:34,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:13:34,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:13:34,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:13:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:13:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:13:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 03:13:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 03:13:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 03:13:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-25 03:13:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-25 03:13:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-25 03:13:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-25 03:13:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-25 03:13:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-25 03:13:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-25 03:13:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-25 03:13:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-25 03:13:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-25 03:13:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-25 03:13:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-25 03:13:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-25 03:13:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-25 03:13:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-25 03:13:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-25 03:13:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:13:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:13:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 03:13:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 03:13:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 03:13:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 03:13:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 03:13:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 03:13:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 03:13:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 03:13:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 03:13:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 03:13:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 03:13:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 03:13:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 03:13:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 03:13:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 03:13:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 03:13:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 03:13:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 03:13:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 03:13:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 03:13:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 03:13:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 03:13:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 03:13:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 03:13:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 03:13:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 03:13:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 03:13:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 03:13:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 03:13:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 03:13:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 03:13:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 03:13:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 03:13:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 03:13:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 03:13:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 03:13:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 03:13:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 03:13:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 03:13:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 03:13:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 03:13:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 03:13:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 03:13:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 03:13:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 03:13:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 03:13:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 03:13:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 03:13:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 03:13:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 03:13:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 03:13:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 03:13:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:13:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 03:13:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 03:13:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:13:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 03:13:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 03:13:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 03:13:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 03:13:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 03:13:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:13:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 03:13:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 03:13:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 03:13:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 03:13:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 03:13:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 03:13:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 03:13:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 03:13:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 03:13:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 03:13:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 03:13:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 03:13:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 03:13:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 03:13:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 03:13:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 03:13:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 03:13:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 03:13:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 03:13:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 03:13:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 03:13:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 03:13:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 03:13:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 03:13:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 03:13:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:13:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-25 03:13:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-25 03:13:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:13:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:13:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-25 03:13:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-25 03:13:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:13:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-25 03:13:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:13:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 03:13:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 03:13:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:13:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-25 03:13:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-25 03:13:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-25 03:13:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-25 03:13:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-25 03:13:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-25 03:13:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-25 03:13:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-25 03:13:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-25 03:13:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-25 03:13:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-25 03:13:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:13:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:13:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:13:35,698 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:13:35,698 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-25 03:13:35,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:35 BoogieIcfgContainer [2020-09-25 03:13:35,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:13:35,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:13:35,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:13:35,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:13:35,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:13:33" (1/3) ... [2020-09-25 03:13:35,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5614d1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:35, skipping insertion in model container [2020-09-25 03:13:35,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:13:34" (2/3) ... [2020-09-25 03:13:35,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5614d1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:13:35, skipping insertion in model container [2020-09-25 03:13:35,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:13:35" (3/3) ... [2020-09-25 03:13:35,718 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2020-09-25 03:13:35,729 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:13:35,744 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:13:35,766 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:13:35,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:13:35,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:13:35,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:13:35,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:13:35,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:13:35,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:13:35,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:13:35,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:13:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-25 03:13:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 03:13:35,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:35,845 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:35,845 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:35,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:35,852 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-25 03:13:35,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:35,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089913118] [2020-09-25 03:13:35,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:36,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:36,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:36,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:41,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:41,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 03:13:41,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:13:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 03:13:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 03:13:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:13:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 03:13:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:13:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:41,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:41,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:41,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:13:41,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:41,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:13:41,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:41,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:41,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 03:13:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:41,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:42,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:42,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:46,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 03:13:46,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:13:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 03:13:46,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 03:13:46,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:13:46,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 03:13:46,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:46,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:46,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:46,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:49,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-25 03:13:51,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:13:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 03:13:51,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:13:51,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 03:13:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:13:51,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:13:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:13:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:51,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 03:13:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 03:13:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:13:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 03:13:51,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:51,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:13:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 03:13:51,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 03:13:51,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 03:13:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:51,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:13:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:51,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:13:51,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:13:51,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 03:13:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 03:13:51,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 03:13:51,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:13:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 03:13:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:13:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:51,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 03:13:51,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 03:13:51,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:13:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:51,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:51,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:13:51,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:13:51,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-25 03:13:51,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089913118] [2020-09-25 03:13:51,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:13:51,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 03:13:51,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955606706] [2020-09-25 03:13:51,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:13:51,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:13:51,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:13:51,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:13:51,888 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 7 states. [2020-09-25 03:13:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:13:53,159 INFO L93 Difference]: Finished difference Result 589 states and 799 transitions. [2020-09-25 03:13:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:13:53,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-09-25 03:13:53,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:13:53,182 INFO L225 Difference]: With dead ends: 589 [2020-09-25 03:13:53,182 INFO L226 Difference]: Without dead ends: 296 [2020-09-25 03:13:53,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:13:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-25 03:13:53,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2020-09-25 03:13:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-09-25 03:13:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2020-09-25 03:13:53,285 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 85 [2020-09-25 03:13:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:13:53,286 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2020-09-25 03:13:53,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:13:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2020-09-25 03:13:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 03:13:53,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:13:53,293 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:13:53,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:13:53,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:13:53,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:13:53,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1671014528, now seen corresponding path program 1 times [2020-09-25 03:13:53,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:13:53,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298284322] [2020-09-25 03:13:53,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:13:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:53,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:54,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:56,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:58,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:58,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 03:13:58,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:13:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 03:13:58,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 03:13:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:13:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 03:13:58,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:13:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:58,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:58,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:13:58,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:13:58,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:13:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:13:58,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:13:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:13:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:13:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:13:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:13:58,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 03:13:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:13:58,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:13:59,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:00,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:03,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:14:03,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-25 03:14:03,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:14:03,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 03:14:03,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:14:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 03:14:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:14:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 03:14:03,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:14:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:14:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:14:03,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:04,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:04,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:05,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:07,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:08,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:14:08,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 03:14:08,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:14:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 03:14:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:14:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-25 03:14:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 03:14:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 03:14:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:14:09,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:14:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:14:09,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:09,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:09,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:14:14,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-25 03:14:14,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:14:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 03:14:14,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:14:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 03:14:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:14:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 03:14:14,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:14:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:14:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:14:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:14,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:14,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:19,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:14:19,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-25 03:14:19,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:14:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 03:14:19,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:14:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 03:14:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:14:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 03:14:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:14:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:14:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:14:19,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:14:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 03:14:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:14:19,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 03:14:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:14:19,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:19,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:14:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking...