/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=BIGGEST --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/product-lines/minepump_spec3_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:59:17,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:59:17,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:59:17,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:59:17,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:59:17,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:59:17,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:59:17,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:59:17,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:59:17,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:59:17,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:59:17,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:59:17,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:59:17,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:59:17,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:59:17,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:59:17,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:59:17,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:59:17,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:59:17,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:59:17,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:59:17,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:59:17,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:59:17,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:59:17,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:59:17,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:59:17,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:59:17,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:59:17,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:59:17,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:59:17,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:59:17,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:59:17,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:59:17,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:59:17,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:59:17,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:59:17,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:59:17,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:59:17,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:59:17,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:59:17,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:59:17,253 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 [2020-10-12 17:59:17,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:59:17,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:59:17,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:59:17,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:59:17,293 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:59:17,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:59:17,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:59:17,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:59:17,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:59:17,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:59:17,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:59:17,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:59:17,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:59:17,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:59:17,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:59:17,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:59:17,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:59:17,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:59:17,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:59:17,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:59:17,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:59:17,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:59:17,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:59:17,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:59:17,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:59:17,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:59:17,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:59:17,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:59:17,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:59:17,299 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:59:17,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:59:17,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:59:17,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:59:17,620 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:59:17,620 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:59:17,620 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2020-10-12 17:59:17,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac6e2cf9c/baeedbb54d3947e58ea0399efe181024/FLAGae892ef3f [2020-10-12 17:59:18,159 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:59:18,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2020-10-12 17:59:18,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac6e2cf9c/baeedbb54d3947e58ea0399efe181024/FLAGae892ef3f [2020-10-12 17:59:18,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac6e2cf9c/baeedbb54d3947e58ea0399efe181024 [2020-10-12 17:59:18,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:59:18,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:59:18,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:59:18,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:59:18,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:59:18,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:59:18" (1/1) ... [2020-10-12 17:59:18,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76162525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:18, skipping insertion in model container [2020-10-12 17:59:18,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:59:18" (1/1) ... [2020-10-12 17:59:18,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:59:18,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:59:18,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:59:18,793 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:59:19,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:59:19,079 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:59:19,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19 WrapperNode [2020-10-12 17:59:19,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:59:19,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:59:19,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:59:19,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:59:19,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (1/1) ... [2020-10-12 17:59:19,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:59:19,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:59:19,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:59:19,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:59:19,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (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 [2020-10-12 17:59:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:59:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:59:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:59:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:59:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:59:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:59:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:59:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:59:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:59:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:59:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:59:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:59:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:59:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:59:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:59:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:59:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:59:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:59:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:59:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:59:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-12 17:59:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 17:59:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:59:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:59:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:59:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:59:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:59:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-12 17:59:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:59:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:59:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:59:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:59:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:59:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:59:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-12 17:59:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:59:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:59:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:59:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:59:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:59:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:59:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:59:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:59:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:59:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:59:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:59:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:59:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:59:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:59:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:59:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:59:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:59:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:59:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:59:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:59:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:59:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-12 17:59:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-12 17:59:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:59:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:59:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:59:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:59:20,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:59:20,385 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:59:20,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:59:20 BoogieIcfgContainer [2020-10-12 17:59:20,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:59:20,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:59:20,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:59:20,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:59:20,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:59:18" (1/3) ... [2020-10-12 17:59:20,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aef25ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:59:20, skipping insertion in model container [2020-10-12 17:59:20,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:59:19" (2/3) ... [2020-10-12 17:59:20,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aef25ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:59:20, skipping insertion in model container [2020-10-12 17:59:20,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:59:20" (3/3) ... [2020-10-12 17:59:20,404 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2020-10-12 17:59:20,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:59:20,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:59:20,432 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:59:20,456 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:59:20,456 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:59:20,456 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:59:20,456 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:59:20,457 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:59:20,457 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:59:20,457 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:59:20,457 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:59:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-10-12 17:59:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-12 17:59:20,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:20,489 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-10-12 17:59:20,489 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:20,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:20,496 INFO L82 PathProgramCache]: Analyzing trace with hash -743083680, now seen corresponding path program 1 times [2020-10-12 17:59:20,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:20,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012620518] [2020-10-12 17:59:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:21,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 17:59:22,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:59:22,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1969 [2020-10-12 17:59:22,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:59:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:22,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:59:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 17:59:23,191 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:23,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 17:59:23,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:23,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:23,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:23,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:23,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:23,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:23,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:23,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:23,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:23,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:23,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:59:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:23,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:23,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:59:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:23,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:59:23,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:59:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:23,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:23,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:23,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:23,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:23,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:23,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:23,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012620518] [2020-10-12 17:59:23,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:23,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:59:23,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993649474] [2020-10-12 17:59:23,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:59:23,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:23,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:59:23,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:59:23,494 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 8 states. [2020-10-12 17:59:24,006 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:25,057 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:25,420 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:59:25,707 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:59:26,244 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:26,683 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:59:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:27,966 INFO L93 Difference]: Finished difference Result 493 states and 670 transitions. [2020-10-12 17:59:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 17:59:27,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-12 17:59:27,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:27,989 INFO L225 Difference]: With dead ends: 493 [2020-10-12 17:59:27,989 INFO L226 Difference]: Without dead ends: 305 [2020-10-12 17:59:27,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-12 17:59:28,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-12 17:59:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 260. [2020-10-12 17:59:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-12 17:59:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 312 transitions. [2020-10-12 17:59:28,129 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 312 transitions. Word has length 52 [2020-10-12 17:59:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:28,130 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 312 transitions. [2020-10-12 17:59:28,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:59:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 312 transitions. [2020-10-12 17:59:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 17:59:28,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:28,139 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:59:28,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:59:28,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:28,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:28,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1885480894, now seen corresponding path program 1 times [2020-10-12 17:59:28,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:28,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118677255] [2020-10-12 17:59:28,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:28,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:28,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-12 17:59:28,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 514 [2020-10-12 17:59:28,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:59:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 17:59:28,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:28,925 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:28,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:28,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 17:59:29,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:29,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:29,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:29,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:29,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:29,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:29,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:29,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:29,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:29,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:29,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:29,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:59:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:29,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 17:59:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:29,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:29,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 17:59:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:29,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:29,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:29,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:29,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:29,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:29,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118677255] [2020-10-12 17:59:29,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:29,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 17:59:29,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669913599] [2020-10-12 17:59:29,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 17:59:29,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:29,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 17:59:29,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 17:59:29,141 INFO L87 Difference]: Start difference. First operand 260 states and 312 transitions. Second operand 5 states. [2020-10-12 17:59:29,455 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:30,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:30,525 INFO L93 Difference]: Finished difference Result 562 states and 724 transitions. [2020-10-12 17:59:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 17:59:30,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2020-10-12 17:59:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:30,532 INFO L225 Difference]: With dead ends: 562 [2020-10-12 17:59:30,532 INFO L226 Difference]: Without dead ends: 326 [2020-10-12 17:59:30,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:59:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-10-12 17:59:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 260. [2020-10-12 17:59:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-12 17:59:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 310 transitions. [2020-10-12 17:59:30,606 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 310 transitions. Word has length 62 [2020-10-12 17:59:30,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:30,606 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 310 transitions. [2020-10-12 17:59:30,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 17:59:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 310 transitions. [2020-10-12 17:59:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-12 17:59:30,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:30,611 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-12 17:59:30,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:59:30,611 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:30,612 INFO L82 PathProgramCache]: Analyzing trace with hash -401039329, now seen corresponding path program 1 times [2020-10-12 17:59:30,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:30,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074993004] [2020-10-12 17:59:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:30,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:30,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:31,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 17:59:33,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:59:33,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2420 [2020-10-12 17:59:33,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:59:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:59:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,294 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:33,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 17:59:33,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:33,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:33,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:33,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:33,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:33,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:33,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:33,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:33,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:33,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:59:33,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:33,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:59:33,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:59:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 17:59:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:59:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:59:33,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:59:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:59:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:59:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:59:33,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:59:33,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:33,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:59:33,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:59:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:33,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:33,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 17:59:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:33,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:33,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 17:59:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:33,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:33,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:33,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 17:59:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:33,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:33,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:33,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:33,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074993004] [2020-10-12 17:59:33,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:33,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 17:59:33,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44035592] [2020-10-12 17:59:33,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 17:59:33,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:33,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 17:59:33,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:59:33,597 INFO L87 Difference]: Start difference. First operand 260 states and 310 transitions. Second operand 7 states. [2020-10-12 17:59:33,975 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:35,119 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:36,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:36,662 INFO L93 Difference]: Finished difference Result 807 states and 1068 transitions. [2020-10-12 17:59:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 17:59:36,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-10-12 17:59:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:36,668 INFO L225 Difference]: With dead ends: 807 [2020-10-12 17:59:36,669 INFO L226 Difference]: Without dead ends: 571 [2020-10-12 17:59:36,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-12 17:59:36,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-12 17:59:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 460. [2020-10-12 17:59:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-12 17:59:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 551 transitions. [2020-10-12 17:59:36,794 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 551 transitions. Word has length 75 [2020-10-12 17:59:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:36,795 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 551 transitions. [2020-10-12 17:59:36,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 17:59:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 551 transitions. [2020-10-12 17:59:36,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 17:59:36,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:36,799 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-12 17:59:36,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:59:36,799 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:36,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:36,800 INFO L82 PathProgramCache]: Analyzing trace with hash -897511874, now seen corresponding path program 1 times [2020-10-12 17:59:36,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:36,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163509352] [2020-10-12 17:59:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 17:59:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-12 17:59:37,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 17:59:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,247 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:37,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:37,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:59:37,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:37,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:37,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:37,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:37,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:37,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:37,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:37,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:37,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:37,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:37,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:59:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 17:59:37,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:59:37,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 17:59:37,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:37,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 17:59:37,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:59:37,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:37,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:59:37,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:37,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:37,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:59:37,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:59:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:37,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:37,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:59:37,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:59:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:37,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:37,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:59:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 17:59:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:37,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:59:37,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:37,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:37,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:59:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:59:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:37,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:37,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:37,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:37,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:37,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163509352] [2020-10-12 17:59:37,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:37,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:59:37,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134285320] [2020-10-12 17:59:37,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:59:37,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:37,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:59:37,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:59:37,548 INFO L87 Difference]: Start difference. First operand 460 states and 551 transitions. Second operand 8 states. [2020-10-12 17:59:38,578 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:38,784 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:59:39,022 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:40,325 INFO L93 Difference]: Finished difference Result 994 states and 1272 transitions. [2020-10-12 17:59:40,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 17:59:40,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-12 17:59:40,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:40,337 INFO L225 Difference]: With dead ends: 994 [2020-10-12 17:59:40,337 INFO L226 Difference]: Without dead ends: 558 [2020-10-12 17:59:40,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:59:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-10-12 17:59:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 460. [2020-10-12 17:59:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-12 17:59:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 550 transitions. [2020-10-12 17:59:40,437 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 550 transitions. Word has length 89 [2020-10-12 17:59:40,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:40,438 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 550 transitions. [2020-10-12 17:59:40,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:59:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 550 transitions. [2020-10-12 17:59:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 17:59:40,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:40,440 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-12 17:59:40,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:59:40,440 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:40,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:40,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1741517376, now seen corresponding path program 1 times [2020-10-12 17:59:40,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:40,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313850487] [2020-10-12 17:59:40,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:40,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:40,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 17:59:40,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 17:59:40,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-12 17:59:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:59:40,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,031 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:41,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:41,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:59:41,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:41,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:41,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:41,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:41,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:41,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:41,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:41,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:41,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:59:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 17:59:41,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:59:41,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:59:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:59:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 17:59:41,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:59:41,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:59:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:59:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:41,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:59:41,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:59:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:41,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:41,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:41,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:41,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:59:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 17:59:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:41,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:41,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:41,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:59:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:59:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:41,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:41,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:41,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:41,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:59:41,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:41,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313850487] [2020-10-12 17:59:41,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:41,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:59:41,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002249899] [2020-10-12 17:59:41,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:59:41,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:41,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:59:41,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:59:41,298 INFO L87 Difference]: Start difference. First operand 460 states and 550 transitions. Second operand 9 states. [2020-10-12 17:59:42,278 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:42,495 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:59:42,742 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:42,964 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:44,282 INFO L93 Difference]: Finished difference Result 998 states and 1280 transitions. [2020-10-12 17:59:44,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 17:59:44,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-12 17:59:44,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:44,289 INFO L225 Difference]: With dead ends: 998 [2020-10-12 17:59:44,289 INFO L226 Difference]: Without dead ends: 562 [2020-10-12 17:59:44,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:59:44,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-10-12 17:59:44,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 462. [2020-10-12 17:59:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-12 17:59:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 552 transitions. [2020-10-12 17:59:44,379 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 552 transitions. Word has length 89 [2020-10-12 17:59:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:44,381 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 552 transitions. [2020-10-12 17:59:44,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:59:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 552 transitions. [2020-10-12 17:59:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 17:59:44,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:44,386 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1] [2020-10-12 17:59:44,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:59:44,386 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:44,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:44,386 INFO L82 PathProgramCache]: Analyzing trace with hash -124080585, now seen corresponding path program 1 times [2020-10-12 17:59:44,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:44,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908233140] [2020-10-12 17:59:44,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 17:59:47,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:59:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2893 [2020-10-12 17:59:47,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:59:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-12 17:59:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,554 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:47,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 17:59:47,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:47,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:47,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:47,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:47,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:47,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:47,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:47,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:59:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 17:59:47,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:59:47,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:59:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 17:59:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:59:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 17:59:47,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:59:47,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:59:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:59:47,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:47,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:47,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:47,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:47,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:59:47,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:59:47,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:59:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:59:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:59:47,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:59:47,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:47,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:59:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:47,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:59:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:59:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:47,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 17:59:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 17:59:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:47,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:47,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:47,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:47,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:47,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:47,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:47,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:47,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:47,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:47,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 17:59:47,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908233140] [2020-10-12 17:59:47,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:59:47,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 17:59:47,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475649197] [2020-10-12 17:59:47,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:59:47,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:47,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:59:47,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:59:47,992 INFO L87 Difference]: Start difference. First operand 462 states and 552 transitions. Second operand 12 states. [2020-10-12 17:59:48,534 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:49,191 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:50,021 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:50,313 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:50,567 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:50,798 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:59:51,068 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:59:51,311 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:59:51,749 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-10-12 17:59:51,991 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:59:52,263 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:59:52,529 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 17:59:55,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:55,129 INFO L93 Difference]: Finished difference Result 1487 states and 1917 transitions. [2020-10-12 17:59:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 17:59:55,129 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-10-12 17:59:55,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:55,137 INFO L225 Difference]: With dead ends: 1487 [2020-10-12 17:59:55,137 INFO L226 Difference]: Without dead ends: 1049 [2020-10-12 17:59:55,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:59:55,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-10-12 17:59:55,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 886. [2020-10-12 17:59:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-10-12 17:59:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1051 transitions. [2020-10-12 17:59:55,302 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1051 transitions. Word has length 101 [2020-10-12 17:59:55,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:55,302 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1051 transitions. [2020-10-12 17:59:55,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:59:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1051 transitions. [2020-10-12 17:59:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 17:59:55,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:55,305 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:59:55,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:59:55,305 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash 115613659, now seen corresponding path program 1 times [2020-10-12 17:59:55,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:55,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640178897] [2020-10-12 17:59:55,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:55,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 17:59:56,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:59:56,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 984 [2020-10-12 17:59:56,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:59:56,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 17:59:56,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:59:56,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,605 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:56,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:56,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:59:56,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:56,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:56,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:56,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:56,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:56,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:56,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:56,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:56,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:56,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:59:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:56,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:56,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:56,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:59:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 17:59:56,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:59:56,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:59:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 17:59:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:56,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 17:59:56,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 17:59:56,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:59:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 17:59:56,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:56,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:56,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:56,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:56,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:56,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:56,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:59:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:59:56,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:59:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 17:59:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:56,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:56,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:56,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:59:56,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:59:56,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:59:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:57,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:57,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:57,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:59:57,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:59:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:57,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 17:59:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:57,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:57,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:59:57,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:59:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:57,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:57,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:57,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:57,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:57,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:57,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:57,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:57,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:57,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 17:59:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:57,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:57,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:57,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:57,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:57,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:57,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 17:59:57,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640178897] [2020-10-12 17:59:57,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:57,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 17:59:57,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13639323] [2020-10-12 17:59:57,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 17:59:57,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:57,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 17:59:57,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 17:59:57,155 INFO L87 Difference]: Start difference. First operand 886 states and 1051 transitions. Second operand 14 states. [2020-10-12 17:59:58,332 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:59:59,150 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:59,447 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:59:59,718 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:59:59,957 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:00,226 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:00:00,479 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:00,706 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:00:01,301 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:01,565 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:00:01,835 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:00:04,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:04,502 INFO L93 Difference]: Finished difference Result 1980 states and 2594 transitions. [2020-10-12 18:00:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 18:00:04,503 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2020-10-12 18:00:04,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:04,511 INFO L225 Difference]: With dead ends: 1980 [2020-10-12 18:00:04,512 INFO L226 Difference]: Without dead ends: 1076 [2020-10-12 18:00:04,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=339, Invalid=993, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:00:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-12 18:00:04,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 807. [2020-10-12 18:00:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2020-10-12 18:00:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 944 transitions. [2020-10-12 18:00:04,651 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 944 transitions. Word has length 105 [2020-10-12 18:00:04,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:04,652 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 944 transitions. [2020-10-12 18:00:04,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 18:00:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 944 transitions. [2020-10-12 18:00:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 18:00:04,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:04,654 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:00:04,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:00:04,654 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:04,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:04,655 INFO L82 PathProgramCache]: Analyzing trace with hash -123543623, now seen corresponding path program 1 times [2020-10-12 18:00:04,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:04,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274736834] [2020-10-12 18:00:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:04,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:04,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:04,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:00:04,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-12 18:00:04,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-12 18:00:04,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 18:00:04,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,182 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:00:05,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:05,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:05,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:05,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:05,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:05,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:05,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:05,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:00:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:05,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 18:00:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:00:05,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:00:05,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:00:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:00:05,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:00:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 18:00:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:00:05,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:05,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:00:05,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:05,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:00:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:00:05,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:00:05,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:05,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:00:05,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:00:05,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:05,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:05,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:05,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 18:00:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:05,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 18:00:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:05,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:05,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 18:00:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:05,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:05,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:05,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:05,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:05,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:05,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:05,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:05,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:00:05,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274736834] [2020-10-12 18:00:05,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:05,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 18:00:05,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748090997] [2020-10-12 18:00:05,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:00:05,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:05,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:00:05,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:00:05,395 INFO L87 Difference]: Start difference. First operand 807 states and 944 transitions. Second operand 9 states. [2020-10-12 18:00:06,633 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:07,063 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:07,371 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:07,626 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:08,694 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:08,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:08,949 INFO L93 Difference]: Finished difference Result 1736 states and 2122 transitions. [2020-10-12 18:00:08,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 18:00:08,950 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2020-10-12 18:00:08,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:08,955 INFO L225 Difference]: With dead ends: 1736 [2020-10-12 18:00:08,955 INFO L226 Difference]: Without dead ends: 953 [2020-10-12 18:00:08,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-12 18:00:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-10-12 18:00:09,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 800. [2020-10-12 18:00:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-12 18:00:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 916 transitions. [2020-10-12 18:00:09,091 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 916 transitions. Word has length 105 [2020-10-12 18:00:09,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:09,092 INFO L479 AbstractCegarLoop]: Abstraction has 800 states and 916 transitions. [2020-10-12 18:00:09,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:00:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 916 transitions. [2020-10-12 18:00:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 18:00:09,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:09,096 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 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, 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] [2020-10-12 18:00:09,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:00:09,097 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:09,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:09,097 INFO L82 PathProgramCache]: Analyzing trace with hash 694736322, now seen corresponding path program 1 times [2020-10-12 18:00:09,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:09,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383970729] [2020-10-12 18:00:09,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:09,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:09,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:09,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:09,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:09,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:00:14,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:00:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 18:00:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:00:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 18:00:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 18:00:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,373 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:14,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:14,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:00:14,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:14,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:14,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:14,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:00:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:14,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:14,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:00:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 18:00:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:00:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:00:14,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:00:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-12 18:00:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 18:00:14,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:00:14,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 18:00:14,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:00:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 18:00:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:00:14,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:00:14,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:00:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 18:00:14,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:00:14,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:14,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:00:14,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:14,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:00:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:00:14,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:00:14,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:00:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 18:00:14,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:00:14,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:00:14,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:00:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:14,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:14,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:00:14,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:14,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:14,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:00:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:00:14,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:00:14,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:14,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:00:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:00:14,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:14,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:14,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:14,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:00:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:14,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:00:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:00:15,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:00:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:00:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 18:00:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 18:00:15,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:00:15,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 18:00:15,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:00:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:00:15,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:00:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:00:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:00:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:15,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:00:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:15,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 18:00:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:15,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 18:00:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:15,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 18:00:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:15,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:15,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 18:00:15,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383970729] [2020-10-12 18:00:15,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:00:15,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 18:00:15,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831347650] [2020-10-12 18:00:15,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 18:00:15,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:15,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 18:00:15,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:00:15,399 INFO L87 Difference]: Start difference. First operand 800 states and 916 transitions. Second operand 22 states. [2020-10-12 18:00:16,438 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:17,281 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:17,672 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:18,175 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:19,543 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:19,943 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:20,261 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:20,529 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:20,814 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:21,141 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:21,414 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:21,690 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:21,944 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:22,206 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:22,478 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:22,749 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:23,062 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:23,343 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:23,646 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:23,900 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:24,158 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:24,430 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:24,790 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:25,132 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:25,679 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:26,201 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-10-12 18:00:26,489 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:26,985 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-10-12 18:00:27,971 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:00:28,377 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:00:28,787 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:29,075 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:29,348 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:29,632 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:00:29,910 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:30,216 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:30,492 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:00:30,800 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:31,066 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:31,366 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:31,739 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:32,060 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:32,364 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:32,643 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:00:33,071 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:33,447 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:00:33,987 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:34,334 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:34,823 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-12 18:00:35,176 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:35,484 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:35,770 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 18:00:36,115 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:00:36,424 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-12 18:00:38,759 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:00:39,044 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-12 18:00:39,449 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:39,694 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:39,959 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:40,206 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:00:40,498 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:40,756 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:41,018 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:41,264 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:42,531 INFO L93 Difference]: Finished difference Result 2373 states and 3055 transitions. [2020-10-12 18:00:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-10-12 18:00:42,532 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 150 [2020-10-12 18:00:42,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:42,541 INFO L225 Difference]: With dead ends: 2373 [2020-10-12 18:00:42,541 INFO L226 Difference]: Without dead ends: 1597 [2020-10-12 18:00:42,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4750 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=1728, Invalid=11844, Unknown=0, NotChecked=0, Total=13572 [2020-10-12 18:00:42,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2020-10-12 18:00:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1409. [2020-10-12 18:00:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1409 states. [2020-10-12 18:00:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1644 transitions. [2020-10-12 18:00:42,836 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1644 transitions. Word has length 150 [2020-10-12 18:00:42,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:42,837 INFO L479 AbstractCegarLoop]: Abstraction has 1409 states and 1644 transitions. [2020-10-12 18:00:42,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 18:00:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1644 transitions. [2020-10-12 18:00:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-12 18:00:42,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:42,840 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:00:42,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:00:42,841 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:42,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:42,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1706846378, now seen corresponding path program 1 times [2020-10-12 18:00:42,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:42,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592470877] [2020-10-12 18:00:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:42,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:43,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:47,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:47,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-12 18:00:47,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:00:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 18:00:47,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:00:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 18:00:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,161 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:48,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 18:00:48,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:48,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:48,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:48,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:48,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:48,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:00:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:48,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:00:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:00:48,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:00:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:00:48,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 18:00:48,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:00:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:00:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 18:00:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:00:48,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:00:48,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:48,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:00:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:00:48,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:48,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:00:48,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:48,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:00:48,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:00:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:00:48,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:48,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:00:48,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:00:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 18:00:48,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:00:48,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:00:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:00:48,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 18:00:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:48,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:00:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 18:00:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:48,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 18:00:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 18:00:48,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:48,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 18:00:48,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:00:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:00:48,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:48,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:00:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:00:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 18:00:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 18:00:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 18:00:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:48,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:48,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:00:48,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:48,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 18:00:48,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592470877] [2020-10-12 18:00:48,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:00:48,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 18:00:48,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910280942] [2020-10-12 18:00:48,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 18:00:48,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:48,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 18:00:48,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-12 18:00:48,736 INFO L87 Difference]: Start difference. First operand 1409 states and 1644 transitions. Second operand 14 states. [2020-10-12 18:00:49,703 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2020-10-12 18:00:50,307 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:51,842 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-10-12 18:00:52,287 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-10-12 18:00:52,747 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-10-12 18:00:52,971 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:53,214 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:53,449 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:54,161 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-10-12 18:00:55,195 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-12 18:00:55,674 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-12 18:00:56,105 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-12 18:00:57,216 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 186 [2020-10-12 18:00:58,049 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:58,343 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:58,573 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:59,179 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 189 [2020-10-12 18:00:59,791 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-10-12 18:01:00,251 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-10-12 18:01:00,716 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-10-12 18:01:01,189 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-10-12 18:01:02,221 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-10-12 18:01:02,707 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-10-12 18:01:04,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:01:04,271 INFO L93 Difference]: Finished difference Result 5227 states and 6465 transitions. [2020-10-12 18:01:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-12 18:01:04,272 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 161 [2020-10-12 18:01:04,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:01:04,296 INFO L225 Difference]: With dead ends: 5227 [2020-10-12 18:01:04,296 INFO L226 Difference]: Without dead ends: 3814 [2020-10-12 18:01:04,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=599, Invalid=2823, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 18:01:04,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2020-10-12 18:01:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 2708. [2020-10-12 18:01:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2020-10-12 18:01:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3177 transitions. [2020-10-12 18:01:05,004 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3177 transitions. Word has length 161 [2020-10-12 18:01:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:01:05,007 INFO L479 AbstractCegarLoop]: Abstraction has 2708 states and 3177 transitions. [2020-10-12 18:01:05,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 18:01:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3177 transitions. [2020-10-12 18:01:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 18:01:05,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:01:05,015 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2020-10-12 18:01:05,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 18:01:05,015 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:01:05,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:01:05,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1019750545, now seen corresponding path program 1 times [2020-10-12 18:01:05,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:01:05,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187463821] [2020-10-12 18:01:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:01:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:05,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:05,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:06,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-12 18:01:10,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:01:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 18:01:10,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 18:01:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-10-12 18:01:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,330 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:01:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:01:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:10,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 18:01:10,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:01:10,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:01:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:10,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:01:10,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:01:10,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:01:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:10,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:10,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:10,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:01:10,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:10,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:01:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:01:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:10,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:10,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:10,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:01:10,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:10,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 18:01:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:01:10,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:01:10,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 18:01:10,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:01:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:01:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:01:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:01:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:01:10,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:01:10,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:10,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 18:01:10,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:01:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:01:10,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:01:10,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:01:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:01:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:01:10,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:10,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:01:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:01:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:10,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:01:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:01:10,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:10,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:10,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:10,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:01:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:10,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:01:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 18:01:10,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:10,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:01:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:10,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:10,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 18:01:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:10,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:10,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:10,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 18:01:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:10,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:10,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:01:10,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:01:10,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 18:01:10,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:01:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 18:01:10,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:11,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:01:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:01:11,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:01:11,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:01:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:01:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:01:11,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:01:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 18:01:11,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:11,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:01:11,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 18:01:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 18:01:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:11,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 18:01:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 18:01:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 18:01:11,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:01:11,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 18:01:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 18:01:11,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:01:11,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:01:11,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:01:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:01:11,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:01:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:01:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:01:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:11,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 18:01:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 18:01:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 18:01:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:11,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:11,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:11,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:11,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:11,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:11,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:11,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:11,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 32 proven. 34 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-12 18:01:11,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187463821] [2020-10-12 18:01:11,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:01:11,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 18:01:11,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881766794] [2020-10-12 18:01:11,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 18:01:11,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:01:11,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 18:01:11,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2020-10-12 18:01:11,326 INFO L87 Difference]: Start difference. First operand 2708 states and 3177 transitions. Second operand 21 states. [2020-10-12 18:01:11,755 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:01:12,450 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:01:13,030 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:01:13,287 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:01:13,578 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:13,855 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:01:15,416 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:01:15,955 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-10-12 18:01:16,444 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-10-12 18:01:16,904 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:01:17,170 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:01:17,461 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:01:17,713 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:01:19,526 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:19,826 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:01:20,092 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:01:20,398 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:01:20,657 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:01:21,552 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:01:21,807 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:01:22,373 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:01:22,919 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-10-12 18:01:23,164 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:01:23,440 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:01:23,911 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-10-12 18:01:24,171 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:01:24,536 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:01:24,825 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:01:25,167 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:25,475 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:01:27,652 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:01:27,942 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:01:28,245 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:01:28,497 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:28,753 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:01:29,018 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:01:29,312 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:01:29,577 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:01:31,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:01:31,909 INFO L93 Difference]: Finished difference Result 8477 states and 11006 transitions. [2020-10-12 18:01:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-10-12 18:01:31,910 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 221 [2020-10-12 18:01:31,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:01:31,934 INFO L225 Difference]: With dead ends: 8477 [2020-10-12 18:01:31,934 INFO L226 Difference]: Without dead ends: 5064 [2020-10-12 18:01:31,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 92 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2627 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=1396, Invalid=6614, Unknown=0, NotChecked=0, Total=8010 [2020-10-12 18:01:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5064 states. [2020-10-12 18:01:33,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5064 to 3096. [2020-10-12 18:01:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3096 states. [2020-10-12 18:01:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 3571 transitions. [2020-10-12 18:01:33,141 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 3571 transitions. Word has length 221 [2020-10-12 18:01:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:01:33,142 INFO L479 AbstractCegarLoop]: Abstraction has 3096 states and 3571 transitions. [2020-10-12 18:01:33,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 18:01:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3571 transitions. [2020-10-12 18:01:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-12 18:01:33,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:01:33,157 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-12 18:01:33,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 18:01:33,158 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:01:33,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:01:33,158 INFO L82 PathProgramCache]: Analyzing trace with hash -782524653, now seen corresponding path program 1 times [2020-10-12 18:01:33,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:01:33,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272624052] [2020-10-12 18:01:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:01:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:33,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:33,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-12 18:01:38,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:01:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:01:38,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:01:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-12 18:01:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-12 18:01:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:38,559 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:01:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:01:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:01:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:01:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:38,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:01:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:01:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 18:01:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:01:38,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:01:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:01:38,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:01:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:01:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:01:38,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:01:38,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:01:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:01:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:01:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:38,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:01:38,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:38,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:01:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:01:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:01:38,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:38,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:01:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:01:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:38,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:01:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:01:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 18:01:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:01:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 18:01:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:01:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:01:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 18:01:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 18:01:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:38,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:01:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:01:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:01:38,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:01:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:01:38,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:38,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:01:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:38,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:01:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:01:38,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 18:01:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:38,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 18:01:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:38,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:38,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:38,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:01:38,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:01:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 18:01:38,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:38,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:01:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 18:01:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:01:39,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:01:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:01:39,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:01:39,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:01:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:01:39,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:01:39,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:01:39,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:01:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:01:39,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:01:39,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:01:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 18:01:39,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:01:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:01:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:39,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 18:01:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 18:01:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:01:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-12 18:01:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:01:39,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:01:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:01:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-12 18:01:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 18:01:39,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:01:39,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 18:01:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 18:01:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:01:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 18:01:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:01:39,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:01:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:01:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:01:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:39,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:01:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:01:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 18:01:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:01:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:01:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:01:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:01:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-12 18:01:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2020-10-12 18:01:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-12 18:01:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:01:39,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:01:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:01:39,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:01:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 117 proven. 27 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-12 18:01:39,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272624052] [2020-10-12 18:01:39,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:01:39,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 18:01:39,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036730741] [2020-10-12 18:01:39,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 18:01:39,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:01:39,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 18:01:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-10-12 18:01:39,356 INFO L87 Difference]: Start difference. First operand 3096 states and 3571 transitions. Second operand 20 states. [2020-10-12 18:01:39,781 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:01:40,411 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:40,913 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:41,173 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:41,410 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:42,976 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:01:43,269 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:01:43,541 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:01:43,795 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:01:44,053 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:01:45,121 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:01:45,386 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:01:45,926 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:01:46,409 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:01:46,867 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:01:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:01:48,146 INFO L93 Difference]: Finished difference Result 4486 states and 5360 transitions. [2020-10-12 18:01:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 18:01:48,147 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 285 [2020-10-12 18:01:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:01:48,148 INFO L225 Difference]: With dead ends: 4486 [2020-10-12 18:01:48,149 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 18:01:48,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=525, Invalid=2231, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 18:01:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 18:01:48,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 18:01:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 18:01:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 18:01:48,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2020-10-12 18:01:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:01:48,161 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 18:01:48,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 18:01:48,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 18:01:48,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 18:01:48,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 18:01:48,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 18:01:48,520 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 201 [2020-10-12 18:01:48,799 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-10-12 18:01:49,204 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-10-12 18:01:49,348 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-10-12 18:01:49,635 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-10-12 18:01:49,891 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-10-12 18:01:50,073 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-10-12 18:01:50,259 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-10-12 18:01:50,663 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-10-12 18:01:51,168 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 175 [2020-10-12 18:01:51,519 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 164 [2020-10-12 18:01:55,909 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 593 DAG size of output: 547 [2020-10-12 18:01:59,219 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 505 DAG size of output: 464 [2020-10-12 18:01:59,729 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2020-10-12 18:02:00,762 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 236 [2020-10-12 18:02:01,379 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2020-10-12 18:02:02,716 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 236 [2020-10-12 18:02:03,141 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2020-10-12 18:02:04,933 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 515 DAG size of output: 473 [2020-10-12 18:02:10,975 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-10-12 18:02:20,734 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 562 DAG size of output: 522 [2020-10-12 18:02:22,697 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 202 [2020-10-12 18:02:25,124 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-10-12 18:02:26,706 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 593 DAG size of output: 547 [2020-10-12 18:02:35,087 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 246 DAG size of output: 34 [2020-10-12 18:02:35,313 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-10-12 18:02:35,822 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 23 [2020-10-12 18:02:36,256 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-10-12 18:02:36,712 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 1 [2020-10-12 18:02:36,957 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 1 [2020-10-12 18:02:37,062 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-10-12 18:02:37,216 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-10-12 18:02:37,405 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2020-10-12 18:02:40,377 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 446 DAG size of output: 36 [2020-10-12 18:02:42,212 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 356 DAG size of output: 36 [2020-10-12 18:02:42,584 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-10-12 18:02:44,690 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 366 DAG size of output: 41 [2020-10-12 18:02:47,690 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 351 DAG size of output: 59 [2020-10-12 18:02:48,811 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 232 DAG size of output: 33 [2020-10-12 18:02:50,969 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 375 DAG size of output: 41 [2020-10-12 18:02:51,182 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1