/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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 [2020-09-25 10:03:40,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:03:40,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:03:40,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:03:40,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:03:40,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:03:40,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:03:40,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:03:40,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:03:40,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:03:40,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:03:40,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:03:40,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:03:40,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:03:40,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:03:40,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:03:40,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:03:40,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:03:40,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:03:40,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:03:40,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:03:40,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:03:40,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:03:40,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:03:40,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:03:40,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:03:40,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:03:40,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:03:40,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:03:40,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:03:40,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:03:40,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:03:40,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:03:40,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:03:40,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:03:40,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:03:40,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:03:40,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:03:40,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:03:40,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:03:40,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:03:40,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 10:03:40,765 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:03:40,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:03:40,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:03:40,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:03:40,769 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:03:40,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:03:40,770 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:03:40,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:03:40,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:03:40,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:03:40,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:03:40,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:03:40,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:03:40,771 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:03:40,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:03:40,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:03:40,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:03:40,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:03:40,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:03:40,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:03:40,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:03:40,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:03:40,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:03:40,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:03:40,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:03:40,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:03:40,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:03:40,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:03:40,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:03:40,776 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:03:41,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:03:41,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:03:41,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:03:41,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:03:41,280 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:03:41,282 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-25 10:03:41,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11428559d/5648569d95b54d70b5b6a46384b84ac4/FLAG22827c1f3 [2020-09-25 10:03:42,030 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:03:42,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-25 10:03:42,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11428559d/5648569d95b54d70b5b6a46384b84ac4/FLAG22827c1f3 [2020-09-25 10:03:42,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11428559d/5648569d95b54d70b5b6a46384b84ac4 [2020-09-25 10:03:42,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:03:42,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:03:42,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:03:42,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:03:42,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:03:42,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:03:42" (1/1) ... [2020-09-25 10:03:42,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2278f003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:42, skipping insertion in model container [2020-09-25 10:03:42,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:03:42" (1/1) ... [2020-09-25 10:03:42,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:03:42,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:03:42,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:03:42,968 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:03:43,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:03:43,185 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:03:43,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43 WrapperNode [2020-09-25 10:03:43,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:03:43,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:03:43,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:03:43,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:03:43,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... [2020-09-25 10:03:43,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:03:43,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:03:43,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:03:43,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:03:43,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:03:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:03:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:03:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 10:03:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 10:03:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 10:03:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-25 10:03:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-25 10:03:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-25 10:03:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-25 10:03:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-25 10:03:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-25 10:03:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-25 10:03:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-25 10:03:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-25 10:03:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-25 10:03:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-25 10:03:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-25 10:03:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-25 10:03:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-25 10:03:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-25 10:03:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-25 10:03:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:03:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:03:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 10:03:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 10:03:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 10:03:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 10:03:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 10:03:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 10:03:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 10:03:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 10:03:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 10:03:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 10:03:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 10:03:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 10:03:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 10:03:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 10:03:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 10:03:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 10:03:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 10:03:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 10:03:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 10:03:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 10:03:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 10:03:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 10:03:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 10:03:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 10:03:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 10:03:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 10:03:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 10:03:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 10:03:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 10:03:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 10:03:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 10:03:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 10:03:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 10:03:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 10:03:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 10:03:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 10:03:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 10:03:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 10:03:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 10:03:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 10:03:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:03:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 10:03:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 10:03:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:03:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 10:03:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 10:03:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 10:03:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 10:03:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 10:03:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:03:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 10:03:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 10:03:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 10:03:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 10:03:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 10:03:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 10:03:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 10:03:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 10:03:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 10:03:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 10:03:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 10:03:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 10:03:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 10:03:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 10:03:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 10:03:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 10:03:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 10:03:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 10:03:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 10:03:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 10:03:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 10:03:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 10:03:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 10:03:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 10:03:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 10:03:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:03:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-25 10:03:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-25 10:03:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:03:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:03:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-25 10:03:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-25 10:03:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:03:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-25 10:03:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-25 10:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-25 10:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-25 10:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-25 10:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-25 10:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-25 10:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-25 10:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-25 10:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-25 10:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:03:44,433 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:03:44,433 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-25 10:03:44,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:03:44 BoogieIcfgContainer [2020-09-25 10:03:44,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:03:44,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:03:44,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:03:44,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:03:44,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:03:42" (1/3) ... [2020-09-25 10:03:44,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76229b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:03:44, skipping insertion in model container [2020-09-25 10:03:44,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:03:43" (2/3) ... [2020-09-25 10:03:44,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76229b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:03:44, skipping insertion in model container [2020-09-25 10:03:44,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:03:44" (3/3) ... [2020-09-25 10:03:44,451 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-09-25 10:03:44,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:03:44,475 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:03:44,499 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:03:44,538 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:03:44,538 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:03:44,538 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:03:44,538 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:03:44,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:03:44,539 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:03:44,539 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:03:44,539 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:03:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-25 10:03:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 10:03:44,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:03:44,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:03:44,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:03:44,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:03:44,595 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-25 10:03:44,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:03:44,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353404458] [2020-09-25 10:03:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:03:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:03:44,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:45,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:45,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:46,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:49,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:03:49,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 10:03:49,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:03:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 10:03:49,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:03:49,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:03:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 10:03:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 10:03:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 10:03:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:03:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:03:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:03:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:50,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:03:50,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:03:50,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:03:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:03:50,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:03:50,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:03:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:03:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:03:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:03:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:03:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:03:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:03:50,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:50,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:50,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:50,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:55,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:03:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 10:03:55,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:03:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 10:03:55,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:03:55,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:03:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 10:03:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:03:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 10:03:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:03:55,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:03:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:03:55,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:55,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:55,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:03:59,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-25 10:04:00,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:04:00,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 10:04:00,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:04:00,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 10:04:00,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:04:00,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:04:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:00,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 10:04:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 10:04:00,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:04:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 10:04:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:04:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:04:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:00,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 10:04:00,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 10:04:00,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:04:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 10:04:00,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:04:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:04:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:00,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:04:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 10:04:00,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:04:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:04:00,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:04:00,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 10:04:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:00,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 10:04:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 10:04:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:04:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 10:04:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:00,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:04:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:00,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 10:04:00,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 10:04:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:04:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:04:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:04:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:00,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:00,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:04:00,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:04:00,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:00,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:04:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:04:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-25 10:04:00,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353404458] [2020-09-25 10:04:00,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 10:04:00,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 10:04:00,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007450006] [2020-09-25 10:04:00,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:04:00,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:04:00,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:04:00,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:04:00,883 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 7 states. [2020-09-25 10:04:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:04:03,053 INFO L93 Difference]: Finished difference Result 589 states and 799 transitions. [2020-09-25 10:04:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 10:04:03,056 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-09-25 10:04:03,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:04:03,085 INFO L225 Difference]: With dead ends: 589 [2020-09-25 10:04:03,085 INFO L226 Difference]: Without dead ends: 296 [2020-09-25 10:04:03,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-09-25 10:04:03,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-25 10:04:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2020-09-25 10:04:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-09-25 10:04:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2020-09-25 10:04:03,273 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 85 [2020-09-25 10:04:03,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:04:03,273 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2020-09-25 10:04:03,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:04:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2020-09-25 10:04:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 10:04:03,281 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:04:03,281 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:04:03,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:04:03,282 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:04:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:04:03,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1671014528, now seen corresponding path program 1 times [2020-09-25 10:04:03,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:04:03,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949320010] [2020-09-25 10:04:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:04:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:03,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:03,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:04,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:04,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:08,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:08,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 10:04:08,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:04:08,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 10:04:08,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:08,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 10:04:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 10:04:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 10:04:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:04:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:08,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:08,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:04:08,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:04:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:04:08,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:08,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:04:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:04:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:08,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:04:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:08,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:09,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:10,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:13,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-25 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 10:04:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:13,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:04:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:14,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:14,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:15,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:19,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:19,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 10:04:19,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:04:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 10:04:19,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:19,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:19,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 10:04:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 10:04:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 10:04:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:04:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:04:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:19,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:19,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:19,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:04:24,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-25 10:04:24,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:04:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:04:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:04:24,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:04:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 10:04:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:04:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 10:04:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:04:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:04:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:04:24,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:24,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:04:24,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking...