/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:31:04,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:31:04,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:31:04,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:31:04,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:31:04,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:31:04,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:31:04,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:31:04,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:31:04,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:31:04,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:31:04,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:31:04,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:31:04,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:31:04,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:31:04,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:31:04,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:31:04,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:31:04,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:31:04,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:31:04,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:31:04,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:31:04,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:31:04,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:31:04,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:31:04,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:31:04,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:31:04,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:31:04,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:31:04,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:31:04,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:31:04,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:31:04,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:31:04,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:31:04,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:31:04,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:31:04,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:31:04,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:31:04,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:31:04,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:31:04,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:31:04,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 10:31:04,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:31:04,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:31:04,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:31:04,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:31:04,259 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:31:04,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:31:04,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:31:04,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:31:04,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:31:04,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:31:04,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:31:04,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:31:04,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:31:04,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:31:04,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:31:04,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:31:04,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:31:04,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:31:04,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:31:04,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:31:04,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:31:04,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:31:04,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:31:04,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:31:04,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:31:04,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:31:04,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:31:04,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:31:04,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:31:04,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:31:04,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:31:04,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:31:04,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:31:04,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:31:04,638 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:31:04,639 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-13 10:31:04,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60eee1a44/046498f86646415891ee0bced0427fe9/FLAGa6d18407b [2020-10-13 10:31:05,303 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:31:05,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-13 10:31:05,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60eee1a44/046498f86646415891ee0bced0427fe9/FLAGa6d18407b [2020-10-13 10:31:05,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60eee1a44/046498f86646415891ee0bced0427fe9 [2020-10-13 10:31:05,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:31:05,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:31:05,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:31:05,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:31:05,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:31:05,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:31:05" (1/1) ... [2020-10-13 10:31:05,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7c22bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:05, skipping insertion in model container [2020-10-13 10:31:05,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:31:05" (1/1) ... [2020-10-13 10:31:05,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:31:05,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:31:06,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:31:06,162 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:31:06,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:31:06,334 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:31:06,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06 WrapperNode [2020-10-13 10:31:06,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:31:06,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:31:06,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:31:06,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:31:06,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... [2020-10-13 10:31:06,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:31:06,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:31:06,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:31:06,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:31:06,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:31:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:31:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:31:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:31:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:31:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 10:31:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 10:31:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-13 10:31:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-13 10:31:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-13 10:31:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-13 10:31:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-13 10:31:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-13 10:31:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-13 10:31:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-13 10:31:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-13 10:31:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 10:31:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-13 10:31:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-13 10:31:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-13 10:31:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 10:31:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 10:31:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 10:31:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 10:31:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-13 10:31:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:31:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:31:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:31:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:31:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:31:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:31:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:31:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:31:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:31:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:31:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:31:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:31:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:31:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:31:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:31:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:31:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:31:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:31:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:31:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:31:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:31:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:31:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:31:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:31:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:31:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:31:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:31:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:31:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:31:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:31:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:31:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:31:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:31:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:31:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:31:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:31:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:31:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:31:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:31:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:31:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:31:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:31:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:31:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:31:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:31:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:31:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:31:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:31:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:31:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:31:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:31:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:31:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:31:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:31:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:31:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:31:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:31:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:31:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:31:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:31:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:31:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:31:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:31:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:31:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:31:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:31:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:31:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:31:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 10:31:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-13 10:31:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-13 10:31:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-13 10:31:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:31:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-13 10:31:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-13 10:31:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-13 10:31:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 10:31:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:31:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 10:31:06,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:31:07,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:31:07,172 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 10:31:07,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:31:07 BoogieIcfgContainer [2020-10-13 10:31:07,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:31:07,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:31:07,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:31:07,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:31:07,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:31:05" (1/3) ... [2020-10-13 10:31:07,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b791fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:31:07, skipping insertion in model container [2020-10-13 10:31:07,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:31:06" (2/3) ... [2020-10-13 10:31:07,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b791fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:31:07, skipping insertion in model container [2020-10-13 10:31:07,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:31:07" (3/3) ... [2020-10-13 10:31:07,193 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex.i [2020-10-13 10:31:07,205 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:31:07,216 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-13 10:31:07,231 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-13 10:31:07,254 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:31:07,254 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:31:07,254 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:31:07,254 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:31:07,254 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:31:07,254 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:31:07,255 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:31:07,255 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:31:07,277 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-13 10:31:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 10:31:07,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:07,286 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:31:07,287 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:07,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:07,294 INFO L82 PathProgramCache]: Analyzing trace with hash -326397870, now seen corresponding path program 1 times [2020-10-13 10:31:07,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:07,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939100329] [2020-10-13 10:31:07,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:07,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:07,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:07,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:07,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:31:07,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:31:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-13 10:31:07,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 10:31:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:31:07,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:07,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:07,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:07,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:07,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:31:07,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:07,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:07,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:07,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:07,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:07,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:07,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:07,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:07,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:07,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:08,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:31:08,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:08,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:08,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:31:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:08,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:08,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 10:31:08,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:31:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:08,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:08,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:31:08,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:31:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:08,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:31:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:08,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:08,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 10:31:08,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939100329] [2020-10-13 10:31:08,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:08,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-13 10:31:08,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980361819] [2020-10-13 10:31:08,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:31:08,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:08,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:31:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:31:08,213 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 4 states. [2020-10-13 10:31:08,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:08,476 INFO L93 Difference]: Finished difference Result 217 states and 268 transitions. [2020-10-13 10:31:08,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 10:31:08,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-13 10:31:08,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:08,492 INFO L225 Difference]: With dead ends: 217 [2020-10-13 10:31:08,492 INFO L226 Difference]: Without dead ends: 111 [2020-10-13 10:31:08,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:31:08,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-13 10:31:08,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-13 10:31:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-13 10:31:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2020-10-13 10:31:08,561 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 42 [2020-10-13 10:31:08,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:08,562 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2020-10-13 10:31:08,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:31:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2020-10-13 10:31:08,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 10:31:08,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:08,565 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:31:08,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:31:08,566 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:08,566 INFO L82 PathProgramCache]: Analyzing trace with hash -934339182, now seen corresponding path program 1 times [2020-10-13 10:31:08,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:08,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393932961] [2020-10-13 10:31:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:31:08,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 10:31:08,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:31:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 10:31:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:31:08,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:08,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:31:08,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:08,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:08,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:08,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:08,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:08,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:08,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:08,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:08,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:31:08,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:08,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:08,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:08,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:31:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:08,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:08,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:08,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:08,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 10:31:08,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:31:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:08,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 10:31:09,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393932961] [2020-10-13 10:31:09,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:31:09,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:31:09,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935431649] [2020-10-13 10:31:09,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:31:09,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:09,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:31:09,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:31:09,024 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 6 states. [2020-10-13 10:31:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:09,571 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2020-10-13 10:31:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 10:31:09,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-13 10:31:09,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:09,578 INFO L225 Difference]: With dead ends: 117 [2020-10-13 10:31:09,578 INFO L226 Difference]: Without dead ends: 115 [2020-10-13 10:31:09,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:31:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-13 10:31:09,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-13 10:31:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-13 10:31:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2020-10-13 10:31:09,624 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 42 [2020-10-13 10:31:09,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:09,625 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2020-10-13 10:31:09,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:31:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2020-10-13 10:31:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 10:31:09,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:09,629 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:31:09,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:31:09,630 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:09,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:09,630 INFO L82 PathProgramCache]: Analyzing trace with hash 640264123, now seen corresponding path program 1 times [2020-10-13 10:31:09,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:09,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714710674] [2020-10-13 10:31:09,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:09,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:09,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:31:09,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-13 10:31:09,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:31:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:31:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 10:31:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:10,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:31:10,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:31:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:10,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:31:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:10,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:31:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:10,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:10,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:10,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:10,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:10,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:31:10,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:10,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:10,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:31:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:10,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:10,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:10,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:10,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:31:10,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:31:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:31:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:31:10,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 10:31:10,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714710674] [2020-10-13 10:31:10,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:31:10,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:31:10,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123363300] [2020-10-13 10:31:10,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:31:10,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:10,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:31:10,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:31:10,197 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 7 states. [2020-10-13 10:31:11,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:11,170 INFO L93 Difference]: Finished difference Result 288 states and 346 transitions. [2020-10-13 10:31:11,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:31:11,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-13 10:31:11,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:11,174 INFO L225 Difference]: With dead ends: 288 [2020-10-13 10:31:11,174 INFO L226 Difference]: Without dead ends: 200 [2020-10-13 10:31:11,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:31:11,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-13 10:31:11,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 163. [2020-10-13 10:31:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-13 10:31:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 194 transitions. [2020-10-13 10:31:11,204 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 194 transitions. Word has length 42 [2020-10-13 10:31:11,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:11,204 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 194 transitions. [2020-10-13 10:31:11,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:31:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2020-10-13 10:31:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 10:31:11,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:11,207 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2020-10-13 10:31:11,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:31:11,208 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:11,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:11,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1149911364, now seen corresponding path program 1 times [2020-10-13 10:31:11,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:11,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959866069] [2020-10-13 10:31:11,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 10:31:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-13 10:31:11,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:31:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 10:31:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:31:11,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:11,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:31:11,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:11,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:11,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:11,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:31:11,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:11,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:11,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:31:11,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:11,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:11,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:31:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 10:31:11,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 10:31:11,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:11,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:31:11,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:31:11,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:11,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 10:31:11,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:11,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:31:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 10:31:11,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 10:31:11,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:31:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 10:31:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:31:11,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:11,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:11,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:11,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:11,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:11,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:31:11,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:11,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:11,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:12,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:12,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:31:12,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:12,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:31:12,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:31:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:31:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:31:12,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:12,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:31:12,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:31:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:12,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:12,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:12,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:31:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:12,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:12,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:12,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:12,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:31:12,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:12,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:12,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:12,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:12,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-13 10:31:12,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959866069] [2020-10-13 10:31:12,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:12,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 10:31:12,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303207920] [2020-10-13 10:31:12,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:31:12,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:12,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:31:12,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:31:12,125 INFO L87 Difference]: Start difference. First operand 163 states and 194 transitions. Second operand 7 states. [2020-10-13 10:31:12,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:12,601 INFO L93 Difference]: Finished difference Result 296 states and 353 transitions. [2020-10-13 10:31:12,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:31:12,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-13 10:31:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:12,604 INFO L225 Difference]: With dead ends: 296 [2020-10-13 10:31:12,604 INFO L226 Difference]: Without dead ends: 171 [2020-10-13 10:31:12,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:31:12,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-13 10:31:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-13 10:31:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-13 10:31:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2020-10-13 10:31:12,629 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 90 [2020-10-13 10:31:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:12,630 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2020-10-13 10:31:12,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:31:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2020-10-13 10:31:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 10:31:12,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:12,632 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:31:12,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:31:12,633 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1610969230, now seen corresponding path program 1 times [2020-10-13 10:31:12,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:12,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088058869] [2020-10-13 10:31:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:12,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:12,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:13,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:16,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:16,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 10:31:17,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:31:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 10:31:17,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:31:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 10:31:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 10:31:17,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:17,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:17,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:17,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:17,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:17,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:17,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:17,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:17,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:31:17,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:17,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:17,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:17,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:17,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:17,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:17,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:31:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 10:31:17,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 10:31:17,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:31:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 10:31:17,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 10:31:17,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:17,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:31:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:31:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:17,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:17,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:17,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:17,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:31:17,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:17,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 10:31:17,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:31:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 10:31:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:18,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:18,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:18,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:31:18,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:18,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:31:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:18,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:18,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 10:31:18,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-13 10:31:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 10:31:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:18,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:18,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:18,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:18,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:18,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:31:18,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:18,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:18,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:18,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:18,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:18,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:18,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:31:18,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:18,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:18,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:18,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:18,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:31:18,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:18,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:18,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:18,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:31:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:18,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:18,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:18,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:18,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:31:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:18,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-13 10:31:18,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088058869] [2020-10-13 10:31:18,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:18,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:31:18,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285635371] [2020-10-13 10:31:18,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:31:18,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:18,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:31:18,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:31:18,347 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand 12 states. [2020-10-13 10:31:20,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:20,082 INFO L93 Difference]: Finished difference Result 411 states and 497 transitions. [2020-10-13 10:31:20,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 10:31:20,083 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-13 10:31:20,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:20,086 INFO L225 Difference]: With dead ends: 411 [2020-10-13 10:31:20,087 INFO L226 Difference]: Without dead ends: 217 [2020-10-13 10:31:20,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2020-10-13 10:31:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-13 10:31:20,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2020-10-13 10:31:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-13 10:31:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 217 transitions. [2020-10-13 10:31:20,111 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 217 transitions. Word has length 90 [2020-10-13 10:31:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:20,111 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 217 transitions. [2020-10-13 10:31:20,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:31:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 217 transitions. [2020-10-13 10:31:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 10:31:20,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:20,113 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2020-10-13 10:31:20,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:31:20,114 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:20,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1106436747, now seen corresponding path program 1 times [2020-10-13 10:31:20,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:20,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059915588] [2020-10-13 10:31:20,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:20,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:21,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:21,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 10:31:25,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:31:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 10:31:25,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-13 10:31:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 10:31:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 10:31:25,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:25,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:25,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:25,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:25,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:25,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:25,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:25,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:31:25,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:25,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:25,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 10:31:25,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:31:25,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:25,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:31:25,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:25,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:25,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:25,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:25,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 10:31:25,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:31:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:31:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:25,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:25,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:25,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:25,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:31:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:25,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:25,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:31:25,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-13 10:31:25,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 10:31:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-13 10:31:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:26,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:31:26,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:31:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:26,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:31:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-13 10:31:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:31:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:31:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:26,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:26,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:26,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:31:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:26,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:26,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:31:26,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:31:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:26,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:26,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:26,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:26,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:31:26,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 10:31:26,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:31:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:31:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:26,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 10:31:26,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:31:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:26,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:26,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:31:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:26,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:26,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:26,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:26,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:26,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:31:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:31:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-13 10:31:27,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059915588] [2020-10-13 10:31:27,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:27,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 10:31:27,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405105915] [2020-10-13 10:31:27,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 10:31:27,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:27,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 10:31:27,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=865, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:31:27,193 INFO L87 Difference]: Start difference. First operand 186 states and 217 transitions. Second operand 31 states. [2020-10-13 10:31:29,307 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-10-13 10:31:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:30,803 INFO L93 Difference]: Finished difference Result 322 states and 386 transitions. [2020-10-13 10:31:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 10:31:30,804 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 86 [2020-10-13 10:31:30,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:30,807 INFO L225 Difference]: With dead ends: 322 [2020-10-13 10:31:30,807 INFO L226 Difference]: Without dead ends: 196 [2020-10-13 10:31:30,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=206, Invalid=2550, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 10:31:30,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-13 10:31:30,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 189. [2020-10-13 10:31:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-13 10:31:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 222 transitions. [2020-10-13 10:31:30,831 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 222 transitions. Word has length 86 [2020-10-13 10:31:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:30,834 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 222 transitions. [2020-10-13 10:31:30,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 10:31:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 222 transitions. [2020-10-13 10:31:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 10:31:30,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:30,836 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2020-10-13 10:31:30,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:31:30,836 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:30,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:30,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1833188279, now seen corresponding path program 1 times [2020-10-13 10:31:30,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:30,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274303944] [2020-10-13 10:31:30,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:31,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 10:31:35,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:31:35,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4336 [2020-10-13 10:31:35,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 10:31:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:31:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-13 10:31:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:35,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:35,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:35,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:35,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:31:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:35,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:35,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:35,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:31:35,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:35,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:31:35,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:31:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:35,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:35,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:35,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:35,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:35,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:35,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:35,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:31:35,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:31:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:35,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:35,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:35,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:35,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:35,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:35,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:35,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:31:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:35,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:36,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:36,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:31:36,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:36,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-13 10:31:36,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 10:31:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 10:31:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:36,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:36,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:36,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:36,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:36,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:31:36,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:36,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:31:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:36,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:36,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:37,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:31:37,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:31:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-10-13 10:31:37,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:31:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:31:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:37,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:37,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:37,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:37,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:37,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:37,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:37,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:37,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:37,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:37,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:37,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:37,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:37,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 10:31:37,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:31:37,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:37,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:37,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:37,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:31:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:37,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:37,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:37,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:31:37,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 10:31:37,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:37,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:31:37,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:37,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:31:37,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:37,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:37,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:37,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:37,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:31:37,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:31:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:31:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:31:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:38,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:38,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:31:38,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 10:31:38,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:31:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:31:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 10:31:38,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274303944] [2020-10-13 10:31:38,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:38,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-13 10:31:38,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518926337] [2020-10-13 10:31:38,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-13 10:31:38,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:38,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-13 10:31:38,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2020-10-13 10:31:38,183 INFO L87 Difference]: Start difference. First operand 189 states and 222 transitions. Second operand 24 states. [2020-10-13 10:31:39,174 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-10-13 10:31:39,542 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-10-13 10:31:40,367 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-10-13 10:31:41,223 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-10-13 10:31:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:44,738 INFO L93 Difference]: Finished difference Result 421 states and 506 transitions. [2020-10-13 10:31:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-13 10:31:44,739 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 89 [2020-10-13 10:31:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:44,743 INFO L225 Difference]: With dead ends: 421 [2020-10-13 10:31:44,743 INFO L226 Difference]: Without dead ends: 290 [2020-10-13 10:31:44,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=743, Invalid=4369, Unknown=0, NotChecked=0, Total=5112 [2020-10-13 10:31:44,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-10-13 10:31:44,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 218. [2020-10-13 10:31:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-13 10:31:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 262 transitions. [2020-10-13 10:31:44,795 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 262 transitions. Word has length 89 [2020-10-13 10:31:44,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:44,797 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 262 transitions. [2020-10-13 10:31:44,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-13 10:31:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 262 transitions. [2020-10-13 10:31:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 10:31:44,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:44,802 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-10-13 10:31:44,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 10:31:44,803 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:44,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:44,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1081629122, now seen corresponding path program 1 times [2020-10-13 10:31:44,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:44,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575422973] [2020-10-13 10:31:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:45,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 10:31:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:49,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:49,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:49,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:31:49,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:49,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:49,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:49,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:49,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:31:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:31:49,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:31:49,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:49,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:49,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:31:49,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:31:49,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:49,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:49,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:49,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:49,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:31:50,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:50,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:50,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:31:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 10:31:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 10:31:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:31:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 10:31:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 10:31:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:31:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:31:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:31:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:31:50,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 10:31:50,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:31:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 10:31:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:31:50,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:31:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:31:50,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:31:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:50,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:50,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:50,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:50,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:50,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:50,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-13 10:31:50,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575422973] [2020-10-13 10:31:50,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:50,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 10:31:50,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395366786] [2020-10-13 10:31:50,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 10:31:50,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:50,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 10:31:50,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:31:50,341 INFO L87 Difference]: Start difference. First operand 218 states and 262 transitions. Second operand 13 states. [2020-10-13 10:31:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:51,764 INFO L93 Difference]: Finished difference Result 351 states and 427 transitions. [2020-10-13 10:31:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 10:31:51,765 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 113 [2020-10-13 10:31:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:51,770 INFO L225 Difference]: With dead ends: 351 [2020-10-13 10:31:51,770 INFO L226 Difference]: Without dead ends: 224 [2020-10-13 10:31:51,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2020-10-13 10:31:51,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-13 10:31:51,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2020-10-13 10:31:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-13 10:31:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2020-10-13 10:31:51,799 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 261 transitions. Word has length 113 [2020-10-13 10:31:51,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:51,800 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 261 transitions. [2020-10-13 10:31:51,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 10:31:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 261 transitions. [2020-10-13 10:31:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 10:31:51,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:51,802 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:31:51,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 10:31:51,802 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:51,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:51,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1049326206, now seen corresponding path program 2 times [2020-10-13 10:31:51,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:51,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921536982] [2020-10-13 10:31:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:51,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:52,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:52,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:52,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:52,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 10:31:56,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:31:56,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:31:56,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:31:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-13 10:31:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 10:31:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:31:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:56,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:31:56,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:31:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:31:56,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:31:56,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:56,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:56,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:56,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:56,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:56,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:56,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:56,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:31:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:31:56,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:31:56,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:56,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:56,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:31:56,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:31:56,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:56,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:31:56,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:31:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:31:56,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:31:56,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:56,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:31:56,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:56,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:56,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:31:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:31:57,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:57,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:57,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:31:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 10:31:57,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 10:31:57,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:31:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 10:31:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 10:31:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:31:57,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:57,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:31:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 10:31:57,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:31:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:31:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:31:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 10:31:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:31:57,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:31:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:31:57,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:31:57,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:31:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:31:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:31:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:31:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:31:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:57,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:57,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:31:57,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:31:57,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:31:57,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:31:57,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:31:57,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:31:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:31:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:31:57,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 10:31:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-13 10:31:57,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921536982] [2020-10-13 10:31:57,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:31:57,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 10:31:57,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011486336] [2020-10-13 10:31:57,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 10:31:57,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:31:57,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 10:31:57,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:31:57,442 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. Second operand 14 states. [2020-10-13 10:31:59,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:31:59,836 INFO L93 Difference]: Finished difference Result 456 states and 560 transitions. [2020-10-13 10:31:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 10:31:59,837 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 116 [2020-10-13 10:31:59,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:31:59,841 INFO L225 Difference]: With dead ends: 456 [2020-10-13 10:31:59,841 INFO L226 Difference]: Without dead ends: 301 [2020-10-13 10:31:59,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=273, Invalid=917, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 10:31:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-13 10:31:59,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 265. [2020-10-13 10:31:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-10-13 10:31:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 327 transitions. [2020-10-13 10:31:59,868 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 327 transitions. Word has length 116 [2020-10-13 10:31:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:31:59,868 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 327 transitions. [2020-10-13 10:31:59,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 10:31:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 327 transitions. [2020-10-13 10:31:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 10:31:59,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:31:59,870 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2020-10-13 10:31:59,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 10:31:59,871 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:31:59,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:31:59,871 INFO L82 PathProgramCache]: Analyzing trace with hash 997882482, now seen corresponding path program 1 times [2020-10-13 10:31:59,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:31:59,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599743053] [2020-10-13 10:31:59,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:31:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:31:59,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:31:59,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:01,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:02,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:03,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:03,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:04,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:04,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-13 10:32:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:04,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:32:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:04,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:04,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:04,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:04,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:04,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:32:04,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:04,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:04,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:04,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:32:04,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:32:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:04,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:04,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:04,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:32:04,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:04,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:04,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:32:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:05,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:05,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:05,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:05,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:05,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:05,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:05,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:05,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:32:05,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:05,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:05,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:05,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:05,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:05,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:05,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:32:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:05,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-13 10:32:05,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:32:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 10:32:05,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:05,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 10:32:05,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:32:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:32:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:05,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:05,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:32:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:05,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:05,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:05,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:05,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 10:32:05,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:32:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:32:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:05,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:32:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 10:32:05,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:32:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 10:32:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:05,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:05,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:32:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 10:32:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:06,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:06,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:06,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:06,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:06,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:06,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:06,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:06,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:06,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:32:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:06,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:06,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:06,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:06,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:32:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 20 proven. 28 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 10:32:06,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599743053] [2020-10-13 10:32:06,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:32:06,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-13 10:32:06,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567990375] [2020-10-13 10:32:06,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-13 10:32:06,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:32:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-13 10:32:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:32:06,092 INFO L87 Difference]: Start difference. First operand 265 states and 327 transitions. Second operand 22 states. [2020-10-13 10:32:09,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:32:09,379 INFO L93 Difference]: Finished difference Result 531 states and 649 transitions. [2020-10-13 10:32:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-13 10:32:09,379 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 130 [2020-10-13 10:32:09,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:32:09,383 INFO L225 Difference]: With dead ends: 531 [2020-10-13 10:32:09,383 INFO L226 Difference]: Without dead ends: 342 [2020-10-13 10:32:09,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=450, Invalid=2742, Unknown=0, NotChecked=0, Total=3192 [2020-10-13 10:32:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-13 10:32:09,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 288. [2020-10-13 10:32:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-13 10:32:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 343 transitions. [2020-10-13 10:32:09,417 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 343 transitions. Word has length 130 [2020-10-13 10:32:09,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:32:09,418 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 343 transitions. [2020-10-13 10:32:09,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-13 10:32:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 343 transitions. [2020-10-13 10:32:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 10:32:09,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:32:09,420 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2020-10-13 10:32:09,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 10:32:09,420 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:32:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:32:09,421 INFO L82 PathProgramCache]: Analyzing trace with hash -329203367, now seen corresponding path program 1 times [2020-10-13 10:32:09,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:32:09,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664724729] [2020-10-13 10:32:09,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:32:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:09,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:09,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:09,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-13 10:32:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:32:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4193 [2020-10-13 10:32:13,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:32:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-13 10:32:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:32:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:32:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:13,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:13,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:32:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:13,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:13,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:13,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:13,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:13,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:13,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:13,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:32:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:13,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:32:13,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:13,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:13,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:13,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:32:13,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:13,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:13,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:13,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:13,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:13,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:13,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:13,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:13,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:13,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:32:13,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:13,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:13,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:13,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:13,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:13,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:32:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:13,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:32:14,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:32:14,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-13 10:32:14,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:14,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:14,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:14,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:32:14,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:14,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:14,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:14,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:14,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:14,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:14,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:14,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:14,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:14,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:14,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:32:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:14,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:14,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:14,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:32:14,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:32:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:14,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:14,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-13 10:32:14,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664724729] [2020-10-13 10:32:14,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:32:14,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 10:32:14,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345283796] [2020-10-13 10:32:14,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:32:14,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:32:14,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:32:14,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:32:14,305 INFO L87 Difference]: Start difference. First operand 288 states and 343 transitions. Second operand 8 states. [2020-10-13 10:32:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:32:14,888 INFO L93 Difference]: Finished difference Result 311 states and 370 transitions. [2020-10-13 10:32:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:32:14,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-10-13 10:32:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:32:14,893 INFO L225 Difference]: With dead ends: 311 [2020-10-13 10:32:14,894 INFO L226 Difference]: Without dead ends: 309 [2020-10-13 10:32:14,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:32:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-10-13 10:32:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 302. [2020-10-13 10:32:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-13 10:32:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 356 transitions. [2020-10-13 10:32:14,944 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 356 transitions. Word has length 133 [2020-10-13 10:32:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:32:14,949 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 356 transitions. [2020-10-13 10:32:14,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:32:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 356 transitions. [2020-10-13 10:32:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 10:32:14,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:32:14,955 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:32:14,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 10:32:14,958 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:32:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:32:14,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1534446106, now seen corresponding path program 1 times [2020-10-13 10:32:14,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:32:14,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391787538] [2020-10-13 10:32:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:32:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:15,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 10:32:20,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:32:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 10:32:20,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 10:32:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:32:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-13 10:32:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:32:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:32:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:20,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:20,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:32:20,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:32:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:32:20,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:20,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:32:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:20,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:32:20,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:20,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:20,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:20,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:20,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:20,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:20,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:20,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:32:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-13 10:32:20,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:32:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 10:32:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:20,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:20,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:20,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-13 10:32:20,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:32:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:32:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:20,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:20,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:32:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:20,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:32:20,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:20,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:20,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:20,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:20,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 10:32:20,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:32:20,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:20,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:20,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:20,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:20,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:20,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:32:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:32:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:32:21,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-13 10:32:21,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 10:32:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 10:32:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:21,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:21,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:32:21,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 10:32:21,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-13 10:32:21,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:32:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 10:32:21,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:21,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:32:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:21,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:21,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:32:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:21,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:32:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:32:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:32:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:21,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:21,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:21,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:22,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:32:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:22,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:32:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 64 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 10:32:22,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391787538] [2020-10-13 10:32:22,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:32:22,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-13 10:32:22,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414858580] [2020-10-13 10:32:22,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-13 10:32:22,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:32:22,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-13 10:32:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=970, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 10:32:22,220 INFO L87 Difference]: Start difference. First operand 302 states and 356 transitions. Second operand 33 states. [2020-10-13 10:32:27,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:32:27,135 INFO L93 Difference]: Finished difference Result 453 states and 526 transitions. [2020-10-13 10:32:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-13 10:32:27,141 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 139 [2020-10-13 10:32:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:32:27,143 INFO L225 Difference]: With dead ends: 453 [2020-10-13 10:32:27,143 INFO L226 Difference]: Without dead ends: 303 [2020-10-13 10:32:27,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=541, Invalid=4015, Unknown=0, NotChecked=0, Total=4556 [2020-10-13 10:32:27,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-13 10:32:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 255. [2020-10-13 10:32:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-13 10:32:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 288 transitions. [2020-10-13 10:32:27,181 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 288 transitions. Word has length 139 [2020-10-13 10:32:27,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:32:27,184 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 288 transitions. [2020-10-13 10:32:27,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-13 10:32:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 288 transitions. [2020-10-13 10:32:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 10:32:27,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:32:27,187 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2020-10-13 10:32:27,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 10:32:27,188 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:32:27,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:32:27,188 INFO L82 PathProgramCache]: Analyzing trace with hash 328583088, now seen corresponding path program 2 times [2020-10-13 10:32:27,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:32:27,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252910411] [2020-10-13 10:32:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:32:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:27,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:27,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:28,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 10:32:32,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:32:32,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 10:32:32,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-13 10:32:32,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:32:32,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-13 10:32:32,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:32:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:32,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:32:32,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:32:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:32:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:32:32,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:32,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:32,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:32,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:32,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:32,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:32,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:32:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:32,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:32:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-13 10:32:32,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:32:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 10:32:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:32,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:32,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:32,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:32,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:32,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 10:32:33,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:32:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:32:33,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:33,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:33,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:32:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:33,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:33,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:33,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:33,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:32:33,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:32:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:33,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:32:33,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:32:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:32:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:32:33,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-13 10:32:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-13 10:32:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 10:32:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:33,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:32:33,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:33,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:33,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:33,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 10:32:33,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-13 10:32:33,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 10:32:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 10:32:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:34,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:34,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:32:34,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:34,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:34,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:34,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:34,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:34,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:34,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:32:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:32:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:32:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:34,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:34,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 10:32:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:32:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:32:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 10:32:34,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:32:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:32:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:34,811 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-13 10:32:34,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:32:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:34,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:32:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 10:32:35,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252910411] [2020-10-13 10:32:35,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:32:35,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-13 10:32:35,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598000072] [2020-10-13 10:32:35,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-13 10:32:35,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:32:35,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-13 10:32:35,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1098, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 10:32:35,147 INFO L87 Difference]: Start difference. First operand 255 states and 288 transitions. Second operand 35 states. [2020-10-13 10:32:37,561 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-10-13 10:32:37,738 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-10-13 10:32:40,433 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-10-13 10:32:41,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:32:41,688 INFO L93 Difference]: Finished difference Result 419 states and 483 transitions. [2020-10-13 10:32:41,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-13 10:32:41,694 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 142 [2020-10-13 10:32:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:32:41,696 INFO L225 Difference]: With dead ends: 419 [2020-10-13 10:32:41,696 INFO L226 Difference]: Without dead ends: 305 [2020-10-13 10:32:41,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1306 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=607, Invalid=4795, Unknown=0, NotChecked=0, Total=5402 [2020-10-13 10:32:41,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-13 10:32:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 271. [2020-10-13 10:32:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-13 10:32:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 308 transitions. [2020-10-13 10:32:41,728 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 308 transitions. Word has length 142 [2020-10-13 10:32:41,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:32:41,729 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 308 transitions. [2020-10-13 10:32:41,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-13 10:32:41,729 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 308 transitions. [2020-10-13 10:32:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 10:32:41,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:32:41,732 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:32:41,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 10:32:41,732 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:32:41,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:32:41,732 INFO L82 PathProgramCache]: Analyzing trace with hash 988721465, now seen corresponding path program 1 times [2020-10-13 10:32:41,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:32:41,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543101745] [2020-10-13 10:32:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:32:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:42,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 10:32:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:32:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:32:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:32:46,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:46,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:46,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:46,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:46,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:32:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:46,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:32:46,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:46,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:46,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:46,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:46,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:46,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:32:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:32:46,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:32:46,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:46,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 10:32:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:32:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:46,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:46,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:32:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:46,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:46,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:46,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:46,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:46,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:46,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:46,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:32:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:47,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 10:32:47,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:47,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:47,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:47,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:47,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:47,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:32:47,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:32:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:32:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:47,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:47,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:47,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:47,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:47,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:47,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:47,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:32:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:32:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:47,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 10:32:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:47,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:47,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:47,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:47,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:32:47,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:32:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-13 10:32:47,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543101745] [2020-10-13 10:32:47,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:32:47,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:32:47,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609620176] [2020-10-13 10:32:47,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:32:47,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:32:47,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:32:47,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:32:47,227 INFO L87 Difference]: Start difference. First operand 271 states and 308 transitions. Second operand 12 states. [2020-10-13 10:32:49,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:32:49,110 INFO L93 Difference]: Finished difference Result 438 states and 499 transitions. [2020-10-13 10:32:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 10:32:49,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-10-13 10:32:49,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:32:49,114 INFO L225 Difference]: With dead ends: 438 [2020-10-13 10:32:49,115 INFO L226 Difference]: Without dead ends: 333 [2020-10-13 10:32:49,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2020-10-13 10:32:49,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-13 10:32:49,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 282. [2020-10-13 10:32:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-13 10:32:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 317 transitions. [2020-10-13 10:32:49,153 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 317 transitions. Word has length 159 [2020-10-13 10:32:49,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:32:49,154 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 317 transitions. [2020-10-13 10:32:49,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:32:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 317 transitions. [2020-10-13 10:32:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 10:32:49,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:32:49,158 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:32:49,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 10:32:49,158 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:32:49,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:32:49,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1767151555, now seen corresponding path program 1 times [2020-10-13 10:32:49,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:32:49,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175808313] [2020-10-13 10:32:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:32:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:49,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:49,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:49,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:50,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:51,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 10:32:54,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:32:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 10:32:54,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:32:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-13 10:32:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:32:54,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:32:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:32:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:54,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:54,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:54,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:54,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:32:54,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:32:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:32:54,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:32:54,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:32:54,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:32:54,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:54,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:54,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:32:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:54,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:32:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:54,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 10:32:54,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:32:54,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:32:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:32:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:32:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:54,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:54,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:32:54,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:32:54,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:32:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:32:54,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:32:54,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:32:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 10:32:54,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 10:32:54,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:32:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 10:32:54,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:32:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:32:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:32:54,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:32:54,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:32:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:32:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:32:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:32:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:32:54,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:32:54,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:32:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:32:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:32:54,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:32:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:54,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:32:54,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:32:54,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:32:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:32:54,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:32:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:32:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:32:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:32:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:32:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-13 10:32:54,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175808313] [2020-10-13 10:32:54,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:32:54,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 10:32:54,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891139181] [2020-10-13 10:32:54,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 10:32:54,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:32:54,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 10:32:54,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:32:54,770 INFO L87 Difference]: Start difference. First operand 282 states and 317 transitions. Second operand 14 states. [2020-10-13 10:32:56,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:32:56,345 INFO L93 Difference]: Finished difference Result 425 states and 498 transitions. [2020-10-13 10:32:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:32:56,345 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 162 [2020-10-13 10:32:56,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:32:56,348 INFO L225 Difference]: With dead ends: 425 [2020-10-13 10:32:56,348 INFO L226 Difference]: Without dead ends: 273 [2020-10-13 10:32:56,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2020-10-13 10:32:56,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-13 10:32:56,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 222. [2020-10-13 10:32:56,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-13 10:32:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 245 transitions. [2020-10-13 10:32:56,395 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 245 transitions. Word has length 162 [2020-10-13 10:32:56,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:32:56,397 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 245 transitions. [2020-10-13 10:32:56,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 10:32:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 245 transitions. [2020-10-13 10:32:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 10:32:56,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:32:56,401 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:32:56,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 10:32:56,401 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:32:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:32:56,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1935421831, now seen corresponding path program 1 times [2020-10-13 10:32:56,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:32:56,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308562350] [2020-10-13 10:32:56,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:32:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:32:56,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:56,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:58,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:58,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:58,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:32:59,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:00,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-13 10:33:01,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:33:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 10:33:01,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:33:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-13 10:33:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 10:33:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:33:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:01,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:01,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:33:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:33:01,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:01,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:01,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:01,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:33:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:33:01,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:33:01,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:33:01,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:33:01,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:01,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:01,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:33:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:33:01,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 10:33:01,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:33:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 10:33:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 10:33:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:33:01,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:33:01,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:33:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:33:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:33:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:33:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 10:33:01,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:33:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 10:33:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:01,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:33:01,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:33:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:33:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:01,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:33:01,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:01,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:01,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:33:01,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:33:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:01,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:01,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:33:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:02,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:02,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:02,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:33:02,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:33:02,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 10:33:02,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:02,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:02,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:02,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:02,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:33:02,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:33:02,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 10:33:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:02,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:02,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:02,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:02,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:02,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:33:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:02,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:02,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:02,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:02,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:33:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 35 proven. 23 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-13 10:33:02,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308562350] [2020-10-13 10:33:02,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:33:02,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 10:33:02,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126948900] [2020-10-13 10:33:02,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 10:33:02,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:33:02,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 10:33:02,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:33:02,111 INFO L87 Difference]: Start difference. First operand 222 states and 245 transitions. Second operand 14 states. [2020-10-13 10:33:02,987 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-10-13 10:33:03,292 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-10-13 10:33:03,556 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-10-13 10:33:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:33:04,613 INFO L93 Difference]: Finished difference Result 379 states and 425 transitions. [2020-10-13 10:33:04,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 10:33:04,613 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 163 [2020-10-13 10:33:04,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:33:04,615 INFO L225 Difference]: With dead ends: 379 [2020-10-13 10:33:04,615 INFO L226 Difference]: Without dead ends: 253 [2020-10-13 10:33:04,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2020-10-13 10:33:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-13 10:33:04,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 222. [2020-10-13 10:33:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-13 10:33:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 244 transitions. [2020-10-13 10:33:04,643 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 244 transitions. Word has length 163 [2020-10-13 10:33:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:33:04,644 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 244 transitions. [2020-10-13 10:33:04,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 10:33:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 244 transitions. [2020-10-13 10:33:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 10:33:04,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:33:04,646 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:33:04,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 10:33:04,651 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:33:04,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:33:04,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1667500729, now seen corresponding path program 2 times [2020-10-13 10:33:04,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:33:04,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817088544] [2020-10-13 10:33:04,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:33:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:04,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:05,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:05,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-13 10:33:09,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:33:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 10:33:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 10:33:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:33:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-13 10:33:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:33:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 10:33:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:33:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:33:09,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:09,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:33:09,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:09,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:09,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:33:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:33:09,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 10:33:09,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:33:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 10:33:09,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:09,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:09,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:09,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:09,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:09,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:33:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:33:10,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:33:10,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:33:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:10,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:10,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:10,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:33:10,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:10,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:33:10,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:33:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:10,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:33:10,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:33:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:33:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:33:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:33:10,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-13 10:33:10,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 10:33:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 10:33:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:33:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:33:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 10:33:10,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-13 10:33:10,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:33:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 10:33:10,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:33:10,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:33:10,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:33:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:33:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:10,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:33:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:33:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:10,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 10:33:10,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:33:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:33:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:10,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:33:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:33:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:11,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 10:33:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:11,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:11,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:11,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:11,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:33:11,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:33:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:11,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:11,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:11,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:33:11,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 10:33:11,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:33:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 10:33:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 10:33:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:11,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:11,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:11,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:11,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:33:11,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:33:11,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:11,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:11,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:11,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:11,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:11,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:11,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:33:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:11,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:11,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:33:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:11,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2020-10-13 10:33:11,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817088544] [2020-10-13 10:33:11,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:33:11,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-13 10:33:11,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945043550] [2020-10-13 10:33:11,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-13 10:33:11,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:33:11,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-13 10:33:11,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=972, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 10:33:11,360 INFO L87 Difference]: Start difference. First operand 222 states and 244 transitions. Second operand 33 states. [2020-10-13 10:33:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:33:15,698 INFO L93 Difference]: Finished difference Result 383 states and 446 transitions. [2020-10-13 10:33:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-13 10:33:15,699 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 166 [2020-10-13 10:33:15,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:33:15,702 INFO L225 Difference]: With dead ends: 383 [2020-10-13 10:33:15,702 INFO L226 Difference]: Without dead ends: 283 [2020-10-13 10:33:15,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=480, Invalid=4350, Unknown=0, NotChecked=0, Total=4830 [2020-10-13 10:33:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-13 10:33:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 228. [2020-10-13 10:33:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-13 10:33:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 253 transitions. [2020-10-13 10:33:15,731 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 253 transitions. Word has length 166 [2020-10-13 10:33:15,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:33:15,732 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 253 transitions. [2020-10-13 10:33:15,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-13 10:33:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 253 transitions. [2020-10-13 10:33:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-13 10:33:15,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:33:15,734 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:33:15,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 10:33:15,735 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:33:15,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:33:15,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1867174211, now seen corresponding path program 1 times [2020-10-13 10:33:15,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:33:15,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146055238] [2020-10-13 10:33:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:33:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:15,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:16,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:17,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:18,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:19,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 10:33:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:33:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:20,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:33:20,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:33:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:20,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:33:20,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:20,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:33:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:20,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:20,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:33:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 10:33:20,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:33:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:20,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:20,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:20,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:33:20,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:33:20,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:21,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:21,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:21,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:21,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:21,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:21,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:21,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:21,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:21,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:21,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:21,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:21,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:21,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:33:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:21,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:21,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:33:21,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:21,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:21,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:21,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:21,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:33:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:21,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:33:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:33:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-13 10:33:21,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 10:33:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 10:33:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:22,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:22,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:22,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:22,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:33:22,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:33:22,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:33:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:33:22,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:33:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:22,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:22,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:22,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:22,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 10:33:22,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:33:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-13 10:33:22,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:33:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 10:33:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:22,901 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-10-13 10:33:23,087 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-10-13 10:33:23,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:23,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:23,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:33:23,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:33:23,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:33:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:33:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:23,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:33:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:23,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:23,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 10:33:23,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:23,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:33:23,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:33:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 10:33:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:23,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:23,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:23,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:33:23,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:33:23,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:33:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:23,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:23,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:23,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:23,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 10:33:23,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:33:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:33:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:23,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:23,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:23,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:23,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:33:23,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:33:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:33:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:23,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:33:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:23,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:23,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:24,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:24,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:24,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 10:33:24,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 10:33:24,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 988 [2020-10-13 10:33:24,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 10:33:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 10:33:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:24,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:24,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:24,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:33:24,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:33:24,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:33:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:33:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:33:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:24,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:33:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 10:33:24,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:25,164 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2020-10-13 10:33:25,389 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2020-10-13 10:33:25,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 10:33:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:25,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:25,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:25,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:33:25,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 10:33:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:33:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:33:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:33:27,416 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 163 DAG size of output: 124 [2020-10-13 10:33:27,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:33:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:33:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:33:27,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:33:27,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:33:27,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:33:27,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-13 10:33:27,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:33:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:33:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:33:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:33:27,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0