/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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-c90d42b [2020-09-24 20:28:14,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:28:14,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:28:14,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:28:14,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:28:14,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:28:14,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:28:14,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:28:14,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:28:14,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:28:14,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:28:14,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:28:14,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:28:14,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:28:14,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:28:14,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:28:14,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:28:14,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:28:14,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:28:14,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:28:14,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:28:14,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:28:14,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:28:14,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:28:14,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:28:14,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:28:14,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:28:14,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:28:14,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:28:14,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:28:14,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:28:14,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:28:14,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:28:14,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:28:14,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:28:14,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:28:14,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:28:14,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:28:14,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:28:14,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:28:14,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:28:14,554 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 [2020-09-24 20:28:14,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:28:14,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:28:14,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:28:14,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:28:14,585 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:28:14,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:28:14,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:28:14,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:28:14,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:28:14,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:28:14,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:28:14,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:28:14,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:28:14,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:28:14,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:28:14,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:28:14,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:28:14,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:28:14,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:28:14,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:28:14,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:28:14,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:28:14,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:28:14,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:28:14,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:28:14,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:28:14,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:28:14,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:28:14,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:28:14,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:28:15,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:28:15,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:28:15,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:28:15,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:28:15,113 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:28:15,114 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-24 20:28:15,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcb4afcb6/06ff1c11604545028b0599c23db2ac05/FLAG7de9fdfb8 [2020-09-24 20:28:15,919 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:28:15,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-24 20:28:15,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcb4afcb6/06ff1c11604545028b0599c23db2ac05/FLAG7de9fdfb8 [2020-09-24 20:28:16,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcb4afcb6/06ff1c11604545028b0599c23db2ac05 [2020-09-24 20:28:16,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:28:16,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:28:16,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:28:16,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:28:16,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:28:16,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:16,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16, skipping insertion in model container [2020-09-24 20:28:16,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:16,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:28:16,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:28:16,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:28:16,796 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:28:16,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:28:16,934 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:28:16,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16 WrapperNode [2020-09-24 20:28:16,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:28:16,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:28:16,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:28:16,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:28:16,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:16,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:16,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:16,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:17,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:17,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:17,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (1/1) ... [2020-09-24 20:28:17,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:28:17,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:28:17,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:28:17,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:28:17,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (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 [2020-09-24 20:28:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:28:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:28:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 20:28:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 20:28:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 20:28:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-24 20:28:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-24 20:28:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-24 20:28:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-24 20:28:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-24 20:28:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-24 20:28:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-24 20:28:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-24 20:28:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-24 20:28:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-24 20:28:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-24 20:28:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-24 20:28:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-24 20:28:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-24 20:28:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-24 20:28:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-24 20:28:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:28:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:28:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 20:28:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 20:28:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 20:28:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 20:28:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 20:28:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 20:28:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 20:28:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 20:28:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 20:28:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 20:28:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 20:28:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 20:28:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 20:28:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 20:28:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 20:28:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 20:28:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 20:28:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 20:28:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 20:28:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 20:28:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 20:28:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 20:28:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 20:28:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 20:28:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 20:28:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 20:28:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 20:28:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 20:28:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 20:28:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 20:28:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 20:28:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 20:28:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 20:28:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 20:28:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 20:28:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 20:28:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 20:28:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 20:28:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 20:28:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 20:28:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 20:28:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 20:28:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 20:28:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 20:28:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 20:28:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 20:28:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:28:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 20:28:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 20:28:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:28:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 20:28:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 20:28:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 20:28:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 20:28:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-24 20:28:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:28:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 20:28:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-24 20:28:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 20:28:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 20:28:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-24 20:28:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 20:28:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 20:28:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 20:28:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 20:28:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 20:28:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 20:28:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 20:28:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 20:28:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 20:28:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 20:28:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 20:28:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 20:28:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 20:28:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 20:28:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 20:28:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 20:28:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 20:28:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 20:28:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 20:28:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 20:28:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 20:28:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 20:28:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 20:28:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 20:28:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 20:28:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 20:28:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:28:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-24 20:28:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-24 20:28:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:28:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:28:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-24 20:28:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-24 20:28:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:28:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-24 20:28:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:28:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 20:28:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 20:28:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:28:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-24 20:28:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-24 20:28:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-24 20:28:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-24 20:28:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-24 20:28:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-24 20:28:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-24 20:28:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-24 20:28:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-24 20:28:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-24 20:28:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-24 20:28:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:28:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:28:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:28:18,138 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:28:18,138 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-24 20:28:18,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:28:18 BoogieIcfgContainer [2020-09-24 20:28:18,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:28:18,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:28:18,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:28:18,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:28:18,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:28:16" (1/3) ... [2020-09-24 20:28:18,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220db56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:28:18, skipping insertion in model container [2020-09-24 20:28:18,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:16" (2/3) ... [2020-09-24 20:28:18,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220db56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:28:18, skipping insertion in model container [2020-09-24 20:28:18,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:28:18" (3/3) ... [2020-09-24 20:28:18,155 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-09-24 20:28:18,167 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:28:18,179 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:28:18,203 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:28:18,237 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:28:18,238 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:28:18,238 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:28:18,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:28:18,238 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:28:18,238 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:28:18,238 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:28:18,239 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:28:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-24 20:28:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-24 20:28:18,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:28:18,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:28:18,284 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:28:18,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:28:18,293 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-24 20:28:18,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:28:18,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399984664] [2020-09-24 20:28:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:28:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:18,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:18,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:19,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:23,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:23,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 20:28:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:28:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-24 20:28:23,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:23,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 20:28:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:28:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:28:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:28:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:23,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:23,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:28:23,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:28:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:28:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:28:23,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:23,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 20:28:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:23,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:23,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:24,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:24,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:28,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:28,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-24 20:28:28,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:28:28,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 20:28:28,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 20:28:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:28:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:28:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:28,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:28,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:29,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:32,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:32,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:33,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 20:28:33,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:28:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-24 20:28:33,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 20:28:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 20:28:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:28:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:33,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:28:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:33,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:34,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:34,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 20:28:34,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-24 20:28:34,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:28:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 20:28:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:34,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:28:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 20:28:34,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-24 20:28:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:28:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 20:28:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:34,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:28:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:34,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:34,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:34,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:28:34,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 20:28:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:28:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 20:28:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 20:28:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:34,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:35,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:35,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 20:28:35,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:35,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-09-24 20:28:35,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:35,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 20:28:35,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:35,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 20:28:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:35,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:28:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:35,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:35,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 20:28:35,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-09-24 20:28:35,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 20:28:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 20:28:35,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:36,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:28:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:36,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:36,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:36,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:28:36,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:36,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 20:28:36,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:28:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 20:28:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 20:28:36,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399984664] [2020-09-24 20:28:36,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:28:36,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-24 20:28:36,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201797730] [2020-09-24 20:28:36,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-24 20:28:36,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:28:36,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-24 20:28:36,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-09-24 20:28:36,601 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 26 states. [2020-09-24 20:28:38,294 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-09-24 20:28:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:28:42,245 INFO L93 Difference]: Finished difference Result 591 states and 812 transitions. [2020-09-24 20:28:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 20:28:42,247 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 85 [2020-09-24 20:28:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:28:42,264 INFO L225 Difference]: With dead ends: 591 [2020-09-24 20:28:42,265 INFO L226 Difference]: Without dead ends: 299 [2020-09-24 20:28:42,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=244, Invalid=2206, Unknown=0, NotChecked=0, Total=2450 [2020-09-24 20:28:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-09-24 20:28:42,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 270. [2020-09-24 20:28:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-24 20:28:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 310 transitions. [2020-09-24 20:28:42,365 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 310 transitions. Word has length 85 [2020-09-24 20:28:42,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:28:42,365 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 310 transitions. [2020-09-24 20:28:42,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-24 20:28:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 310 transitions. [2020-09-24 20:28:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-24 20:28:42,371 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:28:42,371 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:28:42,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:28:42,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:28:42,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:28:42,372 INFO L82 PathProgramCache]: Analyzing trace with hash -860291591, now seen corresponding path program 1 times [2020-09-24 20:28:42,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:28:42,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880254080] [2020-09-24 20:28:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:28:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:43,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:44,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:47,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 20:28:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:47,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:47,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:28:47,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:47,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:28:47,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:47,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:28:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:28:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 20:28:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:47,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:48,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:48,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:52,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:52,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 20:28:52,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:28:52,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-24 20:28:52,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 20:28:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 20:28:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:52,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:52,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:53,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:57,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:57,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 20:28:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:28:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-24 20:28:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 20:28:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 20:28:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:57,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:28:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:57,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:58,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:58,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 20:28:58,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-24 20:28:58,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:28:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 20:28:58,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:58,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:28:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:58,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:58,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:58,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 20:28:58,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:58,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-09-24 20:28:58,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:58,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:28:58,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 20:28:58,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:58,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:28:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:58,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:58,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:28:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 20:28:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:28:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 20:28:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:58,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 20:28:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:58,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:59,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 20:28:59,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:28:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1145 [2020-09-24 20:28:59,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 20:28:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 20:28:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0