/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:25:48,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:25:48,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:25:48,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:25:48,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:25:48,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:25:48,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:25:48,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:25:48,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:25:48,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:25:48,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:25:48,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:25:48,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:25:48,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:25:48,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:25:48,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:25:48,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:25:48,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:25:48,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:25:48,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:25:48,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:25:48,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:25:48,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:25:48,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:25:48,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:25:48,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:25:48,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:25:48,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:25:48,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:25:48,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:25:48,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:25:48,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:25:48,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:25:48,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:25:48,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:25:48,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:25:48,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:25:48,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:25:48,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:25:48,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:25:48,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:25:48,458 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 [2020-09-21 12:25:48,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:25:48,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:25:48,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:25:48,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:25:48,486 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:25:48,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:25:48,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:25:48,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:25:48,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:25:48,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:25:48,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:25:48,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:25:48,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:25:48,488 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:25:48,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:25:48,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:25:48,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:25:48,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:25:48,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:25:48,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:25:48,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:25:48,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:25:48,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:25:48,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:25:48,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:25:48,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:25:48,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:25:48,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:25:48,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:25:48,491 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:25:48,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:25:48,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:25:49,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:25:49,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:25:49,005 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:25:49,007 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-21 12:25:49,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f9bbc555/6abf90be66c64c8c874dfa5038cc66d9/FLAG206a11962 [2020-09-21 12:25:49,674 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:25:49,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-21 12:25:49,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f9bbc555/6abf90be66c64c8c874dfa5038cc66d9/FLAG206a11962 [2020-09-21 12:25:49,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f9bbc555/6abf90be66c64c8c874dfa5038cc66d9 [2020-09-21 12:25:49,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:25:49,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:25:49,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:25:49,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:25:49,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:25:49,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:25:49" (1/1) ... [2020-09-21 12:25:49,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396e528d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:49, skipping insertion in model container [2020-09-21 12:25:49,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:25:49" (1/1) ... [2020-09-21 12:25:49,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:25:50,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:25:50,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:25:50,644 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:25:50,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:25:50,771 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:25:50,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50 WrapperNode [2020-09-21 12:25:50,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:25:50,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:25:50,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:25:50,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:25:50,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (1/1) ... [2020-09-21 12:25:50,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:25:50,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:25:50,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:25:50,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:25:50,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (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 [2020-09-21 12:25:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:25:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:25:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-21 12:25:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-21 12:25:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-21 12:25:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-21 12:25:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-21 12:25:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-21 12:25:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-21 12:25:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-21 12:25:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-21 12:25:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-21 12:25:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-21 12:25:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-21 12:25:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-21 12:25:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-21 12:25:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-21 12:25:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-21 12:25:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-21 12:25:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-21 12:25:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-21 12:25:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:25:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:25:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-21 12:25:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-21 12:25:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-21 12:25:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-21 12:25:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-21 12:25:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-21 12:25:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-21 12:25:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-21 12:25:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-21 12:25:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-21 12:25:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-21 12:25:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-21 12:25:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-21 12:25:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-21 12:25:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-21 12:25:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-21 12:25:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-21 12:25:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-21 12:25:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-21 12:25:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-21 12:25:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-21 12:25:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-21 12:25:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-21 12:25:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-21 12:25:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-21 12:25:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-21 12:25:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-21 12:25:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-21 12:25:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-21 12:25:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-21 12:25:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-21 12:25:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-21 12:25:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-21 12:25:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-21 12:25:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-21 12:25:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-21 12:25:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-21 12:25:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-21 12:25:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-21 12:25:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-21 12:25:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-21 12:25:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-21 12:25:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-21 12:25:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-21 12:25:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-21 12:25:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-21 12:25:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:25:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 12:25:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 12:25:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:25:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 12:25:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-21 12:25:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 12:25:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-21 12:25:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-21 12:25:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:25:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-21 12:25:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-21 12:25:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-21 12:25:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:25:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-21 12:25:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-21 12:25:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-21 12:25:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-21 12:25:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-21 12:25:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-21 12:25:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-21 12:25:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-21 12:25:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-21 12:25:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-21 12:25:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-21 12:25:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-21 12:25:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-21 12:25:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-21 12:25:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-21 12:25:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-21 12:25:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-21 12:25:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-21 12:25:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-21 12:25:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-21 12:25:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-21 12:25:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-21 12:25:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-21 12:25:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-21 12:25:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-21 12:25:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-21 12:25:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-21 12:25:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:25:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-21 12:25:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-21 12:25:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:25:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:25:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-21 12:25:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-21 12:25:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:25:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-21 12:25:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:25:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-21 12:25:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 12:25:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:25:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-21 12:25:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-21 12:25:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-21 12:25:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-21 12:25:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-21 12:25:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-21 12:25:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-21 12:25:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-21 12:25:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-21 12:25:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-21 12:25:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-21 12:25:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:25:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:25:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:25:51,853 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:25:51,854 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-21 12:25:51,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:51 BoogieIcfgContainer [2020-09-21 12:25:51,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:25:51,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:25:51,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:25:51,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:25:51,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:25:49" (1/3) ... [2020-09-21 12:25:51,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d7e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:25:51, skipping insertion in model container [2020-09-21 12:25:51,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:50" (2/3) ... [2020-09-21 12:25:51,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d7e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:25:51, skipping insertion in model container [2020-09-21 12:25:51,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:51" (3/3) ... [2020-09-21 12:25:51,870 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-09-21 12:25:51,882 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:25:51,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:25:51,917 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:25:51,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:25:51,951 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:25:51,951 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:25:51,951 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:25:51,951 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:25:51,951 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:25:51,952 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:25:51,952 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:25:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-21 12:25:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:25:51,990 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:51,992 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:25:51,993 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:52,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:52,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1405399524, now seen corresponding path program 1 times [2020-09-21 12:25:52,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:52,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339863395] [2020-09-21 12:25:52,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:52,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:52,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:52,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:52,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:53,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:53,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:25:53,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:25:53,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:25:53,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:53,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-21 12:25:53,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:53,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:25:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:53,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:53,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:53,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:53,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:25:53,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:53,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:25:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:53,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:53,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:54,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:54,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:54,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:54,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:25:54,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:25:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:25:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 12:25:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:54,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:54,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 12:25:55,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:25:55,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:25:55,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 12:25:55,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:55,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:55,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:25:55,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:55,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:25:55,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:25:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:25:55,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:55,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:25:55,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:25:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 12:25:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:55,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:25:55,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:25:55,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:25:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:25:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:55,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:25:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:55,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:25:55,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 12:25:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:55,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:25:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:25:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 12:25:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 12:25:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:55,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:55,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:55,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:25:55,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:25:55,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:25:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:55,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 12:25:55,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339863395] [2020-09-21 12:25:55,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:25:55,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-09-21 12:25:55,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310622578] [2020-09-21 12:25:55,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:25:55,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:25:55,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:25:55,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:25:55,841 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-09-21 12:25:56,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:25:56,313 INFO L93 Difference]: Finished difference Result 343 states and 542 transitions. [2020-09-21 12:25:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:25:56,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:25:56,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:25:56,333 INFO L225 Difference]: With dead ends: 343 [2020-09-21 12:25:56,333 INFO L226 Difference]: Without dead ends: 166 [2020-09-21 12:25:56,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:25:56,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-21 12:25:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 155. [2020-09-21 12:25:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-21 12:25:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2020-09-21 12:25:56,437 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 59 [2020-09-21 12:25:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:25:56,438 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2020-09-21 12:25:56,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:25:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2020-09-21 12:25:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:25:56,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:25:56,442 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:25:56,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:25:56,442 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:25:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:25:56,443 INFO L82 PathProgramCache]: Analyzing trace with hash 747676979, now seen corresponding path program 1 times [2020-09-21 12:25:56,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:25:56,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101660970] [2020-09-21 12:25:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:25:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:56,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:56,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:57,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:57,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 12:25:57,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:25:57,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-21 12:25:57,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:25:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:25:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:57,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:57,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:57,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:57,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:25:57,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:25:57,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:25:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:57,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:25:57,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:25:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:58,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:58,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:25:58,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:25:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-09-21 12:25:58,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:25:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:25:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:25:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:58,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:58,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:59,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:59,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:59,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:25:59,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:25:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-21 12:25:59,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:25:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:25:59,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:25:59,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:25:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:25:59,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:25:59,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:25:59,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:25:59,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-21 12:25:59,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:25:59,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:25:59,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:25:59,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:25:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:25:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:25:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:25:59,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:00,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:00,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:00,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:00,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:26:00,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:00,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:26:00,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:00,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:00,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:00,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:00,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:00,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:00,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:26:00,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:00,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:00,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:00,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:00,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:00,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:26:00,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:26:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:00,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:00,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:00,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:26:00,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:00,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:00,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:00,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:00,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:26:00,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:00,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 12:26:00,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101660970] [2020-09-21 12:26:00,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:00,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:26:00,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763730471] [2020-09-21 12:26:00,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:26:00,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:00,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:26:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:26:00,226 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand 7 states. [2020-09-21 12:26:01,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:01,112 INFO L93 Difference]: Finished difference Result 327 states and 406 transitions. [2020-09-21 12:26:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:26:01,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-09-21 12:26:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:01,118 INFO L225 Difference]: With dead ends: 327 [2020-09-21 12:26:01,118 INFO L226 Difference]: Without dead ends: 179 [2020-09-21 12:26:01,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:26:01,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-09-21 12:26:01,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 168. [2020-09-21 12:26:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 12:26:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2020-09-21 12:26:01,162 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 60 [2020-09-21 12:26:01,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:01,162 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2020-09-21 12:26:01,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:26:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2020-09-21 12:26:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 12:26:01,166 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:01,167 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:26:01,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:26:01,167 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:01,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:01,168 INFO L82 PathProgramCache]: Analyzing trace with hash 586330229, now seen corresponding path program 1 times [2020-09-21 12:26:01,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:01,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226836506] [2020-09-21 12:26:01,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:01,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:02,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:02,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 12:26:02,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-09-21 12:26:02,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 12:26:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:26:02,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:02,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:02,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:02,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:26:02,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:02,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:02,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:03,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:03,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 12:26:03,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:03,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1043 [2020-09-21 12:26:03,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:03,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:03,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:26:03,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:26:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:03,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:03,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:04,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:05,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:05,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 12:26:05,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:05,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1266 [2020-09-21 12:26:05,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:05,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:05,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:26:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:26:05,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:05,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:05,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:05,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:06,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:06,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 12:26:06,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-21 12:26:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 12:26:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:26:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:26:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:06,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:06,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:06,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 12:26:07,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:26:07,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 12:26:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:26:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:26:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:07,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:07,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:26:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:08,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:08,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:08,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:26:08,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:26:08,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 12:26:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:26:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:26:08,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:08,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:08,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:08,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:09,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:09,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:26:09,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:26:09,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 12:26:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:26:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:26:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:26:09,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:09,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:09,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:09,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:09,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-09-21 12:26:09,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:26:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:26:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:09,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:10,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:10,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:10,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:10,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-21 12:26:10,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:26:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:26:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:10,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:10,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:10,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:10,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:26:10,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:26:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:10,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:10,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-09-21 12:26:10,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 12:26:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:10,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 12:26:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:10,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:11,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:11,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:11,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-21 12:26:11,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:26:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:11,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:26:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:11,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:11,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:11,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:11,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:11,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 12:26:11,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:26:11,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:11,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:26:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:11,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 12:26:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:11,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:11,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:12,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 12:26:12,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:12,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:26:12,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:12,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:12,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 12:26:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:12,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:12,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:12,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:13,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:13,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:13,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 12:26:13,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:26:13,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:13,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:13,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:13,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:13,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:13,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:13,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:26:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:14,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:14,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:26:14,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:14,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:26:14,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:14,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:14,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:26:15,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:26:15,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:15,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:15,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:26:15,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:15,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:15,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:15,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:15,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:26:15,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:15,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:15,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:15,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:15,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:15,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:15,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:26:15,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:15,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:15,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:15,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:15,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:15,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:26:15,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:15,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 15 proven. 95 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-09-21 12:26:15,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226836506] [2020-09-21 12:26:15,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:15,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 12:26:15,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604786381] [2020-09-21 12:26:15,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 12:26:15,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:15,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 12:26:15,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-09-21 12:26:15,979 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 23 states. [2020-09-21 12:26:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:19,580 INFO L93 Difference]: Finished difference Result 358 states and 439 transitions. [2020-09-21 12:26:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-21 12:26:19,582 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 154 [2020-09-21 12:26:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:19,585 INFO L225 Difference]: With dead ends: 358 [2020-09-21 12:26:19,585 INFO L226 Difference]: Without dead ends: 196 [2020-09-21 12:26:19,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=224, Invalid=1846, Unknown=0, NotChecked=0, Total=2070 [2020-09-21 12:26:19,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-09-21 12:26:19,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 185. [2020-09-21 12:26:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-09-21 12:26:19,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 217 transitions. [2020-09-21 12:26:19,609 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 217 transitions. Word has length 154 [2020-09-21 12:26:19,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:19,610 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 217 transitions. [2020-09-21 12:26:19,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 12:26:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 217 transitions. [2020-09-21 12:26:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 12:26:19,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:19,612 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:26:19,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:26:19,613 INFO L427 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:19,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:19,613 INFO L82 PathProgramCache]: Analyzing trace with hash -467161035, now seen corresponding path program 1 times [2020-09-21 12:26:19,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:19,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403657405] [2020-09-21 12:26:19,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:19,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:20,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:20,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 12:26:20,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-09-21 12:26:20,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 12:26:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:26:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:20,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:20,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:20,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:26:20,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:20,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:20,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:20,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:20,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 12:26:22,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-09-21 12:26:22,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:26:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:26:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:22,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 12:26:23,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:26:23,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:26:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:26:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:24,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 12:26:24,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:24,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:26:24,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:24,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:24,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:26:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:24,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 12:26:25,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-09-21 12:26:25,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:26:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 12:26:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:26:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:26,648 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2020-09-21 12:26:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:26:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:26,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:26,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:26:26,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 12:26:26,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:26:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:26,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:26:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:26:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:26,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:26,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:26,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:26,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:26,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:26,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:26:26,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:26,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:26,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:26,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:26,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:26,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:26,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:26,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:26,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:26,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:26,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:26,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:26,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:26,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:26,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:26,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:26,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:26:26,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:26,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:26,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:27,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:26:27,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 12:26:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 12:26:27,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-21 12:26:27,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 12:26:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 12:26:27,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 12:26:27,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:27,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:26:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:26:27,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:26:27,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:26:27,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:26:27,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:26:27,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:27,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:27,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:27,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:26:27,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:26:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:26:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:26:27,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:27,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:26:27,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:27,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-09-21 12:26:27,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403657405] [2020-09-21 12:26:27,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:27,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 12:26:27,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268019387] [2020-09-21 12:26:27,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 12:26:27,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:27,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 12:26:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:26:27,767 INFO L87 Difference]: Start difference. First operand 185 states and 217 transitions. Second operand 13 states. [2020-09-21 12:26:28,504 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2020-09-21 12:26:30,128 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-09-21 12:26:30,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:30,271 INFO L93 Difference]: Finished difference Result 378 states and 449 transitions. [2020-09-21 12:26:30,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 12:26:30,272 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2020-09-21 12:26:30,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:30,276 INFO L225 Difference]: With dead ends: 378 [2020-09-21 12:26:30,276 INFO L226 Difference]: Without dead ends: 205 [2020-09-21 12:26:30,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-09-21 12:26:30,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-09-21 12:26:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 189. [2020-09-21 12:26:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-21 12:26:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 222 transitions. [2020-09-21 12:26:30,298 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 222 transitions. Word has length 154 [2020-09-21 12:26:30,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:30,299 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 222 transitions. [2020-09-21 12:26:30,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 12:26:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 222 transitions. [2020-09-21 12:26:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 12:26:30,302 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:30,302 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:26:30,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:26:30,302 INFO L427 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:30,303 INFO L82 PathProgramCache]: Analyzing trace with hash -2084601485, now seen corresponding path program 1 times [2020-09-21 12:26:30,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:30,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729287326] [2020-09-21 12:26:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:36,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:36,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 12:26:36,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:36,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5743 [2020-09-21 12:26:36,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:36,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 12:26:36,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-09-21 12:26:36,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 12:26:36,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:36,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:36,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:36,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:36,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:36,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:26:36,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:36,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:26:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:36,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:36,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking...