/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/ntdrivers-simplified/diskperf_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:43:02,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:43:02,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:43:02,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:43:02,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:43:02,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:43:02,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:43:02,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:43:02,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:43:02,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:43:02,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:43:02,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:43:02,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:43:02,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:43:02,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:43:02,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:43:02,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:43:02,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:43:02,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:43:02,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:43:02,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:43:02,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:43:02,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:43:02,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:43:02,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:43:02,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:43:02,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:43:02,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:43:02,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:43:02,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:43:02,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:43:02,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:43:02,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:43:02,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:43:02,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:43:02,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:43:02,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:43:02,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:43:02,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:43:02,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:43:02,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:43:02,202 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 [2020-10-14 05:43:02,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:43:02,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:43:02,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:43:02,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:43:02,240 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:43:02,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:43:02,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:43:02,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:43:02,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:43:02,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:43:02,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:43:02,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:43:02,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:43:02,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:43:02,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:43:02,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:43:02,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:43:02,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:43:02,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:43:02,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:43:02,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:43:02,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:43:02,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:43:02,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:43:02,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:43:02,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:43:02,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:43:02,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:43:02,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:43:02,247 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:43:02,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:43:02,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:43:02,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:43:02,551 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:43:02,552 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:43:02,552 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/diskperf_simpl1.cil.c [2020-10-14 05:43:02,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e2194422/fcfa8361a9164f7c9c2b0f8361f74d26/FLAGf127def41 [2020-10-14 05:43:03,058 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:43:03,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/diskperf_simpl1.cil.c [2020-10-14 05:43:03,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e2194422/fcfa8361a9164f7c9c2b0f8361f74d26/FLAGf127def41 [2020-10-14 05:43:03,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e2194422/fcfa8361a9164f7c9c2b0f8361f74d26 [2020-10-14 05:43:03,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:43:03,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:43:03,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:43:03,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:43:03,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:43:03,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:43:03" (1/1) ... [2020-10-14 05:43:03,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65cae058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:03, skipping insertion in model container [2020-10-14 05:43:03,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:43:03" (1/1) ... [2020-10-14 05:43:03,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:43:03,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:43:03,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:43:03,991 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:43:04,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:43:04,169 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:43:04,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04 WrapperNode [2020-10-14 05:43:04,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:43:04,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:43:04,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:43:04,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:43:04,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (1/1) ... [2020-10-14 05:43:04,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:43:04,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:43:04,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:43:04,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:43:04,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (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 [2020-10-14 05:43:04,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:43:04,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:43:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-14 05:43:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-14 05:43:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2020-10-14 05:43:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2020-10-14 05:43:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2020-10-14 05:43:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2020-10-14 05:43:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2020-10-14 05:43:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2020-10-14 05:43:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2020-10-14 05:43:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2020-10-14 05:43:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2020-10-14 05:43:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2020-10-14 05:43:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2020-10-14 05:43:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2020-10-14 05:43:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2020-10-14 05:43:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2020-10-14 05:43:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-14 05:43:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:43:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-14 05:43:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-14 05:43:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-14 05:43:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-14 05:43:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-14 05:43:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-14 05:43:04,334 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-14 05:43:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:43:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 05:43:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:43:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 05:43:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2020-10-14 05:43:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2020-10-14 05:43:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2020-10-14 05:43:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2020-10-14 05:43:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2020-10-14 05:43:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2020-10-14 05:43:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2020-10-14 05:43:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2020-10-14 05:43:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2020-10-14 05:43:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2020-10-14 05:43:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2020-10-14 05:43:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2020-10-14 05:43:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-14 05:43:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-14 05:43:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-14 05:43:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-14 05:43:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-14 05:43:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-14 05:43:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-14 05:43:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-14 05:43:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2020-10-14 05:43:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2020-10-14 05:43:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-14 05:43:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:43:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-14 05:43:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:43:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:43:04,686 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 05:43:04,829 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-14 05:43:04,830 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-14 05:43:04,839 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 05:43:04,888 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-14 05:43:04,889 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-14 05:43:04,906 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 05:43:04,927 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-14 05:43:04,927 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-14 05:43:04,933 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 05:43:04,944 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-14 05:43:04,944 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-14 05:43:05,282 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 05:43:05,313 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2020-10-14 05:43:05,314 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2020-10-14 05:43:05,342 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 05:43:05,359 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-14 05:43:05,359 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-14 05:43:05,397 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:43:05,397 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 05:43:05,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:43:05 BoogieIcfgContainer [2020-10-14 05:43:05,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:43:05,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:43:05,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:43:05,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:43:05,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:43:03" (1/3) ... [2020-10-14 05:43:05,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e97239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:43:05, skipping insertion in model container [2020-10-14 05:43:05,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:43:04" (2/3) ... [2020-10-14 05:43:05,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e97239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:43:05, skipping insertion in model container [2020-10-14 05:43:05,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:43:05" (3/3) ... [2020-10-14 05:43:05,411 INFO L109 eAbstractionObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2020-10-14 05:43:05,421 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:43:05,429 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:43:05,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:43:05,469 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:43:05,469 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:43:05,469 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:43:05,469 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:43:05,470 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:43:05,470 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:43:05,470 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:43:05,470 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:43:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-10-14 05:43:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-14 05:43:05,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:05,503 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] [2020-10-14 05:43:05,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:05,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:05,509 INFO L82 PathProgramCache]: Analyzing trace with hash -155432117, now seen corresponding path program 1 times [2020-10-14 05:43:05,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:05,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922238782] [2020-10-14 05:43:05,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:05,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:05,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:05,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:06,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:06,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:06,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 05:43:06,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:43:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 755 [2020-10-14 05:43:06,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:06,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:43:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:43:06,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:06,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:06,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:06,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:06,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:43:06,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:06,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:06,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:06,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:06,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:43:06,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:06,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:06,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:06,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922238782] [2020-10-14 05:43:06,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:06,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 05:43:06,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547722955] [2020-10-14 05:43:06,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 05:43:06,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:06,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 05:43:06,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 05:43:06,701 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 5 states. [2020-10-14 05:43:08,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:08,399 INFO L93 Difference]: Finished difference Result 791 states and 1178 transitions. [2020-10-14 05:43:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 05:43:08,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-14 05:43:08,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:08,434 INFO L225 Difference]: With dead ends: 791 [2020-10-14 05:43:08,434 INFO L226 Difference]: Without dead ends: 546 [2020-10-14 05:43:08,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:43:08,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-10-14 05:43:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 476. [2020-10-14 05:43:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-14 05:43:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 649 transitions. [2020-10-14 05:43:08,584 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 649 transitions. Word has length 20 [2020-10-14 05:43:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:08,585 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 649 transitions. [2020-10-14 05:43:08,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 05:43:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 649 transitions. [2020-10-14 05:43:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-14 05:43:08,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:08,587 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] [2020-10-14 05:43:08,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:43:08,587 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:08,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:08,588 INFO L82 PathProgramCache]: Analyzing trace with hash -169777026, now seen corresponding path program 1 times [2020-10-14 05:43:08,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:08,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105123221] [2020-10-14 05:43:08,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:08,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:08,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 05:43:08,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 05:43:08,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:08,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:43:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:08,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:08,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:08,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:08,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:08,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:43:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:08,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:08,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:08,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:08,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:43:08,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:08,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:08,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105123221] [2020-10-14 05:43:08,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:08,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 05:43:08,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888807082] [2020-10-14 05:43:08,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 05:43:08,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:08,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 05:43:08,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 05:43:08,831 INFO L87 Difference]: Start difference. First operand 476 states and 649 transitions. Second operand 5 states. [2020-10-14 05:43:09,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:09,924 INFO L93 Difference]: Finished difference Result 546 states and 756 transitions. [2020-10-14 05:43:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 05:43:09,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-14 05:43:09,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:09,931 INFO L225 Difference]: With dead ends: 546 [2020-10-14 05:43:09,931 INFO L226 Difference]: Without dead ends: 530 [2020-10-14 05:43:09,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:43:09,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-14 05:43:09,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 476. [2020-10-14 05:43:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-14 05:43:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 648 transitions. [2020-10-14 05:43:09,991 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 648 transitions. Word has length 20 [2020-10-14 05:43:09,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:09,992 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 648 transitions. [2020-10-14 05:43:09,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 05:43:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 648 transitions. [2020-10-14 05:43:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 05:43:09,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:09,996 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] [2020-10-14 05:43:09,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:43:09,996 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:09,997 INFO L82 PathProgramCache]: Analyzing trace with hash -240124352, now seen corresponding path program 1 times [2020-10-14 05:43:09,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:09,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713638763] [2020-10-14 05:43:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:10,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:10,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:10,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:43:10,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-14 05:43:10,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:10,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:43:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 05:43:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:43:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:10,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:10,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:10,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:10,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:10,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:10,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:10,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:10,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:10,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:10,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:10,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:10,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:10,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:10,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:10,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:10,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713638763] [2020-10-14 05:43:10,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:10,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:43:10,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211711307] [2020-10-14 05:43:10,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:43:10,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:10,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:43:10,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:43:10,370 INFO L87 Difference]: Start difference. First operand 476 states and 648 transitions. Second operand 6 states. [2020-10-14 05:43:11,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:11,690 INFO L93 Difference]: Finished difference Result 1224 states and 1758 transitions. [2020-10-14 05:43:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 05:43:11,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-14 05:43:11,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:11,699 INFO L225 Difference]: With dead ends: 1224 [2020-10-14 05:43:11,700 INFO L226 Difference]: Without dead ends: 877 [2020-10-14 05:43:11,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:11,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-14 05:43:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 759. [2020-10-14 05:43:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-10-14 05:43:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1092 transitions. [2020-10-14 05:43:11,774 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1092 transitions. Word has length 25 [2020-10-14 05:43:11,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:11,775 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 1092 transitions. [2020-10-14 05:43:11,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:43:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1092 transitions. [2020-10-14 05:43:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 05:43:11,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:11,777 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] [2020-10-14 05:43:11,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:43:11,778 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:11,778 INFO L82 PathProgramCache]: Analyzing trace with hash -2018358777, now seen corresponding path program 1 times [2020-10-14 05:43:11,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:11,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74322881] [2020-10-14 05:43:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:11,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:12,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:12,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 05:43:12,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 05:43:12,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:12,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:43:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 05:43:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 05:43:12,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:12,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:12,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:12,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:12,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:12,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:12,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:12,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:12,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:12,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:12,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:12,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:43:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:12,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:12,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:43:12,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:12,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:12,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:12,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:43:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:12,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74322881] [2020-10-14 05:43:12,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:12,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:43:12,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2720571] [2020-10-14 05:43:12,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:43:12,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:12,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:43:12,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:43:12,198 INFO L87 Difference]: Start difference. First operand 759 states and 1092 transitions. Second operand 6 states. [2020-10-14 05:43:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:13,771 INFO L93 Difference]: Finished difference Result 1751 states and 2633 transitions. [2020-10-14 05:43:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 05:43:13,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-14 05:43:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:13,786 INFO L225 Difference]: With dead ends: 1751 [2020-10-14 05:43:13,786 INFO L226 Difference]: Without dead ends: 1153 [2020-10-14 05:43:13,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2020-10-14 05:43:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1043. [2020-10-14 05:43:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-10-14 05:43:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1559 transitions. [2020-10-14 05:43:13,871 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1559 transitions. Word has length 31 [2020-10-14 05:43:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:13,872 INFO L479 AbstractCegarLoop]: Abstraction has 1043 states and 1559 transitions. [2020-10-14 05:43:13,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:43:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1559 transitions. [2020-10-14 05:43:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 05:43:13,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:13,874 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] [2020-10-14 05:43:13,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:43:13,875 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:13,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1575744654, now seen corresponding path program 1 times [2020-10-14 05:43:13,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:13,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473808822] [2020-10-14 05:43:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:13,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:14,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 05:43:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 05:43:14,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:14,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 05:43:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:43:14,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:14,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:14,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:14,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:14,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:14,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:14,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:14,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:14,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:14,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:14,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:14,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:14,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:14,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:14,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:14,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:14,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:14,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:14,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:14,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:14,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:14,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:14,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:14,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:14,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:14,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:14,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:14,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473808822] [2020-10-14 05:43:14,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:14,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:43:14,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18995753] [2020-10-14 05:43:14,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:43:14,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:14,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:43:14,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:43:14,195 INFO L87 Difference]: Start difference. First operand 1043 states and 1559 transitions. Second operand 6 states. [2020-10-14 05:43:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:15,268 INFO L93 Difference]: Finished difference Result 1107 states and 1652 transitions. [2020-10-14 05:43:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 05:43:15,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-14 05:43:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:15,276 INFO L225 Difference]: With dead ends: 1107 [2020-10-14 05:43:15,276 INFO L226 Difference]: Without dead ends: 1103 [2020-10-14 05:43:15,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:43:15,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2020-10-14 05:43:15,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1053. [2020-10-14 05:43:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-10-14 05:43:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1572 transitions. [2020-10-14 05:43:15,344 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1572 transitions. Word has length 36 [2020-10-14 05:43:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:15,344 INFO L479 AbstractCegarLoop]: Abstraction has 1053 states and 1572 transitions. [2020-10-14 05:43:15,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:43:15,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1572 transitions. [2020-10-14 05:43:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 05:43:15,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:15,346 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] [2020-10-14 05:43:15,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:43:15,347 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:15,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:15,347 INFO L82 PathProgramCache]: Analyzing trace with hash -128023286, now seen corresponding path program 1 times [2020-10-14 05:43:15,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:15,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383624090] [2020-10-14 05:43:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:15,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:15,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 05:43:15,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 05:43:15,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:15,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 05:43:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:43:15,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:15,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:15,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:15,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:15,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:15,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:15,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:15,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:15,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:15,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:15,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:15,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:15,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:15,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:15,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:15,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:15,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:15,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:15,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:15,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:43:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:15,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:15,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:15,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:15,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:15,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:43:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:15,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:15,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:15,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:15,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:15,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:15,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 05:43:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:15,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383624090] [2020-10-14 05:43:15,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:15,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:43:15,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17411337] [2020-10-14 05:43:15,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:43:15,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:15,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:43:15,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:15,597 INFO L87 Difference]: Start difference. First operand 1053 states and 1572 transitions. Second operand 8 states. [2020-10-14 05:43:16,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:16,999 INFO L93 Difference]: Finished difference Result 1162 states and 1720 transitions. [2020-10-14 05:43:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 05:43:17,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2020-10-14 05:43:17,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:17,017 INFO L225 Difference]: With dead ends: 1162 [2020-10-14 05:43:17,017 INFO L226 Difference]: Without dead ends: 1157 [2020-10-14 05:43:17,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:43:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2020-10-14 05:43:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1085. [2020-10-14 05:43:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1085 states. [2020-10-14 05:43:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1606 transitions. [2020-10-14 05:43:17,119 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1606 transitions. Word has length 39 [2020-10-14 05:43:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:17,121 INFO L479 AbstractCegarLoop]: Abstraction has 1085 states and 1606 transitions. [2020-10-14 05:43:17,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:43:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1606 transitions. [2020-10-14 05:43:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 05:43:17,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:17,125 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] [2020-10-14 05:43:17,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:43:17,125 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:17,126 INFO L82 PathProgramCache]: Analyzing trace with hash 778971858, now seen corresponding path program 1 times [2020-10-14 05:43:17,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:17,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740978715] [2020-10-14 05:43:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:17,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:17,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 05:43:17,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:43:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-14 05:43:17,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:17,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:43:17,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:17,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:17,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:17,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:17,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:43:17,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:17,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:17,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:17,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:17,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:43:17,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:17,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:17,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:17,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:17,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:17,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:17,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:17,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:43:17,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:43:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:17,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:43:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:17,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:43:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:17,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:17,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:17,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:17,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:17,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:17,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:17,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:17,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740978715] [2020-10-14 05:43:17,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:17,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:43:17,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846164702] [2020-10-14 05:43:17,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:43:17,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:17,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:43:17,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:43:17,918 INFO L87 Difference]: Start difference. First operand 1085 states and 1606 transitions. Second operand 9 states. [2020-10-14 05:43:20,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:20,364 INFO L93 Difference]: Finished difference Result 1639 states and 2554 transitions. [2020-10-14 05:43:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:43:20,368 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-10-14 05:43:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:20,379 INFO L225 Difference]: With dead ends: 1639 [2020-10-14 05:43:20,379 INFO L226 Difference]: Without dead ends: 1631 [2020-10-14 05:43:20,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:43:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2020-10-14 05:43:20,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1161. [2020-10-14 05:43:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1161 states. [2020-10-14 05:43:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1722 transitions. [2020-10-14 05:43:20,476 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1722 transitions. Word has length 40 [2020-10-14 05:43:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:20,476 INFO L479 AbstractCegarLoop]: Abstraction has 1161 states and 1722 transitions. [2020-10-14 05:43:20,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:43:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1722 transitions. [2020-10-14 05:43:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 05:43:20,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:20,478 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] [2020-10-14 05:43:20,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 05:43:20,478 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:20,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:20,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1784163958, now seen corresponding path program 1 times [2020-10-14 05:43:20,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:20,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876587970] [2020-10-14 05:43:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:20,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:20,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:20,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 05:43:20,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:43:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-14 05:43:20,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:20,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:20,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 05:43:20,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:21,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:21,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:21,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:21,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:21,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:21,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:21,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:21,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:21,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:21,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:21,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:21,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:43:21,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:21,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:21,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:21,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:21,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:21,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:21,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:21,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:21,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:21,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:21,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:21,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:21,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:21,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:43:21,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:21,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:43:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:21,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:21,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:21,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:43:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:21,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:43:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:21,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:21,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:21,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:21,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:21,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:21,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876587970] [2020-10-14 05:43:21,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:21,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 05:43:21,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996576713] [2020-10-14 05:43:21,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:43:21,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:21,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:43:21,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:43:21,161 INFO L87 Difference]: Start difference. First operand 1161 states and 1722 transitions. Second operand 10 states. [2020-10-14 05:43:21,842 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-14 05:43:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:23,805 INFO L93 Difference]: Finished difference Result 1894 states and 3065 transitions. [2020-10-14 05:43:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:43:23,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-14 05:43:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:23,820 INFO L225 Difference]: With dead ends: 1894 [2020-10-14 05:43:23,820 INFO L226 Difference]: Without dead ends: 1884 [2020-10-14 05:43:23,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:43:23,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2020-10-14 05:43:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1656. [2020-10-14 05:43:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-10-14 05:43:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2671 transitions. [2020-10-14 05:43:23,953 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2671 transitions. Word has length 41 [2020-10-14 05:43:23,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:23,954 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 2671 transitions. [2020-10-14 05:43:23,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:43:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2671 transitions. [2020-10-14 05:43:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 05:43:23,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:23,958 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] [2020-10-14 05:43:23,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 05:43:23,959 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:23,959 INFO L82 PathProgramCache]: Analyzing trace with hash -470451973, now seen corresponding path program 1 times [2020-10-14 05:43:23,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:23,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856505051] [2020-10-14 05:43:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:24,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:24,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 05:43:24,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:24,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 05:43:24,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:24,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 05:43:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:43:24,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:24,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:24,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:24,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:24,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:24,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:24,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:24,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:24,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:24,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:24,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:24,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:24,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:24,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:24,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:24,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:24,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:24,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:24,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:24,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:24,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:24,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:24,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:24,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:24,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:24,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:24,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:24,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:24,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:24,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:43:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:24,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:24,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:24,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:24,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:24,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:43:24,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:24,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:43:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:24,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:24,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:24,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:24,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:24,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:24,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:24,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:24,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:24,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856505051] [2020-10-14 05:43:24,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:24,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 05:43:24,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990687788] [2020-10-14 05:43:24,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:43:24,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:24,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:43:24,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:43:24,374 INFO L87 Difference]: Start difference. First operand 1656 states and 2671 transitions. Second operand 10 states. [2020-10-14 05:43:25,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:25,694 INFO L93 Difference]: Finished difference Result 1762 states and 2822 transitions. [2020-10-14 05:43:25,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:43:25,694 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-10-14 05:43:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:25,708 INFO L225 Difference]: With dead ends: 1762 [2020-10-14 05:43:25,708 INFO L226 Difference]: Without dead ends: 1740 [2020-10-14 05:43:25,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:43:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2020-10-14 05:43:25,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1649. [2020-10-14 05:43:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-10-14 05:43:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2662 transitions. [2020-10-14 05:43:25,843 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2662 transitions. Word has length 42 [2020-10-14 05:43:25,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:25,843 INFO L479 AbstractCegarLoop]: Abstraction has 1649 states and 2662 transitions. [2020-10-14 05:43:25,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:43:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2662 transitions. [2020-10-14 05:43:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 05:43:25,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:25,845 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] [2020-10-14 05:43:25,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 05:43:25,846 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:25,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1897332428, now seen corresponding path program 1 times [2020-10-14 05:43:25,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:25,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243146840] [2020-10-14 05:43:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:25,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:26,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:27,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:27,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:43:27,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:43:27,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1239 [2020-10-14 05:43:27,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:27,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 05:43:27,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:43:27,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:27,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:27,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:27,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:27,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:27,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:27,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:27,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:27,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:27,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:27,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:27,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:27,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:27,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:27,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:27,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:27,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:27,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:27,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:27,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243146840] [2020-10-14 05:43:27,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:27,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:43:27,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547090398] [2020-10-14 05:43:27,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:43:27,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:27,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:43:27,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:43:27,256 INFO L87 Difference]: Start difference. First operand 1649 states and 2662 transitions. Second operand 6 states. [2020-10-14 05:43:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:27,822 INFO L93 Difference]: Finished difference Result 2324 states and 3899 transitions. [2020-10-14 05:43:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 05:43:27,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-10-14 05:43:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:27,830 INFO L225 Difference]: With dead ends: 2324 [2020-10-14 05:43:27,830 INFO L226 Difference]: Without dead ends: 896 [2020-10-14 05:43:27,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-14 05:43:27,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 895. [2020-10-14 05:43:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-14 05:43:27,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1380 transitions. [2020-10-14 05:43:27,911 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1380 transitions. Word has length 45 [2020-10-14 05:43:27,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:27,911 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1380 transitions. [2020-10-14 05:43:27,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:43:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1380 transitions. [2020-10-14 05:43:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 05:43:27,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:27,914 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] [2020-10-14 05:43:27,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 05:43:27,914 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:27,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:27,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1343021677, now seen corresponding path program 1 times [2020-10-14 05:43:27,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:27,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208238145] [2020-10-14 05:43:27,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:28,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:28,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 05:43:28,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:28,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-14 05:43:28,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:28,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 05:43:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 05:43:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:28,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:28,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:28,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:28,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:28,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:28,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:28,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:28,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:28,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:28,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:28,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:28,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:28,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:28,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:28,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:28,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:28,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:28,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:28,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:28,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:28,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:28,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:43:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:28,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:28,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:43:28,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 05:43:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:28,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:43:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:28,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:43:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:28,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:28,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:28,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:28,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:43:28,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:28,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208238145] [2020-10-14 05:43:28,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:28,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 05:43:28,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030204701] [2020-10-14 05:43:28,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 05:43:28,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:28,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 05:43:28,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:43:28,440 INFO L87 Difference]: Start difference. First operand 895 states and 1380 transitions. Second operand 11 states. [2020-10-14 05:43:29,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:29,530 INFO L93 Difference]: Finished difference Result 930 states and 1423 transitions. [2020-10-14 05:43:29,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:43:29,531 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 46 [2020-10-14 05:43:29,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:29,537 INFO L225 Difference]: With dead ends: 930 [2020-10-14 05:43:29,537 INFO L226 Difference]: Without dead ends: 909 [2020-10-14 05:43:29,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:43:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-14 05:43:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 895. [2020-10-14 05:43:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-14 05:43:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1379 transitions. [2020-10-14 05:43:29,607 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1379 transitions. Word has length 46 [2020-10-14 05:43:29,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:29,607 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1379 transitions. [2020-10-14 05:43:29,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 05:43:29,607 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1379 transitions. [2020-10-14 05:43:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 05:43:29,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:29,609 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] [2020-10-14 05:43:29,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 05:43:29,609 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:29,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:29,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1925983323, now seen corresponding path program 1 times [2020-10-14 05:43:29,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:29,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418666771] [2020-10-14 05:43:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:29,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:29,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:29,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 05:43:29,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:29,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 05:43:29,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:29,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 05:43:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:43:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:29,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:29,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:29,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:29,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:29,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:29,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:43:29,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:29,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:29,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:29,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:29,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:29,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:29,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:29,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:29,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:29,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:29,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:29,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:29,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:43:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:29,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:29,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:43:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 05:43:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:29,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:43:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:29,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:43:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:29,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:29,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:29,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418666771] [2020-10-14 05:43:29,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:29,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 05:43:30,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664493240] [2020-10-14 05:43:30,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:43:30,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:30,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:43:30,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:43:30,001 INFO L87 Difference]: Start difference. First operand 895 states and 1379 transitions. Second operand 10 states. [2020-10-14 05:43:30,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:30,841 INFO L93 Difference]: Finished difference Result 927 states and 1418 transitions. [2020-10-14 05:43:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:43:30,841 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 46 [2020-10-14 05:43:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:30,847 INFO L225 Difference]: With dead ends: 927 [2020-10-14 05:43:30,847 INFO L226 Difference]: Without dead ends: 907 [2020-10-14 05:43:30,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:43:30,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-10-14 05:43:30,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 893. [2020-10-14 05:43:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-14 05:43:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1375 transitions. [2020-10-14 05:43:30,918 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1375 transitions. Word has length 46 [2020-10-14 05:43:30,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:30,918 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 1375 transitions. [2020-10-14 05:43:30,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:43:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1375 transitions. [2020-10-14 05:43:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 05:43:30,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:30,920 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] [2020-10-14 05:43:30,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 05:43:30,920 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:30,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:30,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1266981467, now seen corresponding path program 1 times [2020-10-14 05:43:30,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:30,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888545149] [2020-10-14 05:43:30,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:30,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:31,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:32,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:32,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 05:43:32,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:43:32,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-10-14 05:43:32,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:32,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 05:43:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:43:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:32,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:32,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:32,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:32,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:32,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:32,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:32,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:32,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:32,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:32,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:32,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:32,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:32,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:32,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:32,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:32,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:32,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:32,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:32,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:32,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:32,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:43:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:32,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:32,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:32,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:43:32,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:43:32,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:32,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:43:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:43:32,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:32,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888545149] [2020-10-14 05:43:32,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:32,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:43:32,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610942490] [2020-10-14 05:43:32,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:43:32,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:32,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:43:32,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:32,235 INFO L87 Difference]: Start difference. First operand 893 states and 1375 transitions. Second operand 8 states. [2020-10-14 05:43:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:33,568 INFO L93 Difference]: Finished difference Result 972 states and 1452 transitions. [2020-10-14 05:43:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:43:33,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-10-14 05:43:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:33,574 INFO L225 Difference]: With dead ends: 972 [2020-10-14 05:43:33,575 INFO L226 Difference]: Without dead ends: 630 [2020-10-14 05:43:33,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:33,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-14 05:43:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 607. [2020-10-14 05:43:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-14 05:43:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 847 transitions. [2020-10-14 05:43:33,676 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 847 transitions. Word has length 50 [2020-10-14 05:43:33,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:33,677 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 847 transitions. [2020-10-14 05:43:33,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:43:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 847 transitions. [2020-10-14 05:43:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 05:43:33,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:33,680 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] [2020-10-14 05:43:33,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 05:43:33,681 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:33,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:33,681 INFO L82 PathProgramCache]: Analyzing trace with hash -869356297, now seen corresponding path program 1 times [2020-10-14 05:43:33,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:33,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507433460] [2020-10-14 05:43:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:33,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:34,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 05:43:34,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:43:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 769 [2020-10-14 05:43:34,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:34,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:34,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 05:43:34,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:34,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:34,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:34,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:34,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:34,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:34,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:34,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:43:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:34,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:34,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:34,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:34,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:34,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:34,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:43:34,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:43:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:34,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 05:43:34,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:34,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 05:43:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:34,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 05:43:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:34,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 05:43:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:34,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:34,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:34,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:43:34,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:43:34,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:34,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:43:34,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:35,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507433460] [2020-10-14 05:43:35,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:35,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:43:35,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089684553] [2020-10-14 05:43:35,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:43:35,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:35,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:43:35,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:35,007 INFO L87 Difference]: Start difference. First operand 607 states and 847 transitions. Second operand 12 states. [2020-10-14 05:43:36,014 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-10-14 05:43:38,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:38,246 INFO L93 Difference]: Finished difference Result 644 states and 896 transitions. [2020-10-14 05:43:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:43:38,246 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2020-10-14 05:43:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:38,250 INFO L225 Difference]: With dead ends: 644 [2020-10-14 05:43:38,250 INFO L226 Difference]: Without dead ends: 638 [2020-10-14 05:43:38,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:43:38,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-10-14 05:43:38,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 607. [2020-10-14 05:43:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-14 05:43:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 846 transitions. [2020-10-14 05:43:38,304 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 846 transitions. Word has length 47 [2020-10-14 05:43:38,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:38,305 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 846 transitions. [2020-10-14 05:43:38,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:43:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 846 transitions. [2020-10-14 05:43:38,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 05:43:38,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:38,307 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] [2020-10-14 05:43:38,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 05:43:38,307 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:38,308 INFO L82 PathProgramCache]: Analyzing trace with hash -2077673491, now seen corresponding path program 1 times [2020-10-14 05:43:38,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:38,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462209489] [2020-10-14 05:43:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:38,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:38,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:38,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:43:38,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:38,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-14 05:43:38,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:38,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:43:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:43:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:43:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:38,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:38,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:38,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:38,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:38,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:38,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:38,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:38,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:38,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:38,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:38,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:38,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:38,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:38,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:38,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:38,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:38,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:38,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:38,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:38,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:38,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:38,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:38,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:43:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:38,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 05:43:38,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 05:43:38,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:38,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:43:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:43:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 05:43:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:38,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:38,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:38,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:43:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:43:38,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:38,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:43:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:38,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462209489] [2020-10-14 05:43:38,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:38,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 05:43:38,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913013299] [2020-10-14 05:43:38,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 05:43:38,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:38,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 05:43:38,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:43:38,818 INFO L87 Difference]: Start difference. First operand 607 states and 846 transitions. Second operand 13 states. [2020-10-14 05:43:39,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:39,701 INFO L93 Difference]: Finished difference Result 623 states and 863 transitions. [2020-10-14 05:43:39,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:43:39,702 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2020-10-14 05:43:39,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:39,706 INFO L225 Difference]: With dead ends: 623 [2020-10-14 05:43:39,706 INFO L226 Difference]: Without dead ends: 604 [2020-10-14 05:43:39,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:43:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-10-14 05:43:39,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 602. [2020-10-14 05:43:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-14 05:43:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 839 transitions. [2020-10-14 05:43:39,755 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 839 transitions. Word has length 48 [2020-10-14 05:43:39,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:39,755 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 839 transitions. [2020-10-14 05:43:39,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 05:43:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 839 transitions. [2020-10-14 05:43:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 05:43:39,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:39,757 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] [2020-10-14 05:43:39,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 05:43:39,757 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:39,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1231576510, now seen corresponding path program 1 times [2020-10-14 05:43:39,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:39,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078397237] [2020-10-14 05:43:39,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:39,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:39,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:39,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 05:43:39,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:39,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 05:43:39,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:39,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 05:43:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 05:43:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:40,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:40,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:40,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:40,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:40,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:40,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:40,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:40,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:40,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:40,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:40,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:40,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:40,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:40,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:40,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:40,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:40,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:40,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:40,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:40,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:43:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:40,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:40,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 05:43:40,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:43:40,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:40,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 05:43:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:43:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:40,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:40,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:43:40,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:40,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:40,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:43:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:40,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078397237] [2020-10-14 05:43:40,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:40,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 05:43:40,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290319593] [2020-10-14 05:43:40,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 05:43:40,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:40,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 05:43:40,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:43:40,223 INFO L87 Difference]: Start difference. First operand 602 states and 839 transitions. Second operand 11 states. [2020-10-14 05:43:41,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:41,459 INFO L93 Difference]: Finished difference Result 630 states and 874 transitions. [2020-10-14 05:43:41,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:43:41,460 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2020-10-14 05:43:41,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:41,464 INFO L225 Difference]: With dead ends: 630 [2020-10-14 05:43:41,464 INFO L226 Difference]: Without dead ends: 597 [2020-10-14 05:43:41,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:43:41,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-14 05:43:41,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 584. [2020-10-14 05:43:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-10-14 05:43:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 819 transitions. [2020-10-14 05:43:41,511 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 819 transitions. Word has length 50 [2020-10-14 05:43:41,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:41,511 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 819 transitions. [2020-10-14 05:43:41,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 05:43:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 819 transitions. [2020-10-14 05:43:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 05:43:41,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:41,512 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] [2020-10-14 05:43:41,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 05:43:41,513 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:41,513 INFO L82 PathProgramCache]: Analyzing trace with hash 519699838, now seen corresponding path program 1 times [2020-10-14 05:43:41,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:41,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303997529] [2020-10-14 05:43:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:41,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:41,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:41,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 05:43:41,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-14 05:43:41,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:41,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:41,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:43:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 05:43:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:43:41,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:41,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:41,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:41,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:41,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:41,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:41,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:41,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:41,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:41,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:41,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:41,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:41,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:41,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:41,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:41,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:41,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:41,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:41,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:41,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:41,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:41,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:41,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:41,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:41,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:41,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:43:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:41,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:41,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 05:43:41,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:43:41,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:41,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:43:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:43:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:41,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:41,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:41,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:41,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:43:41,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:43:41,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:41,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:43:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:42,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303997529] [2020-10-14 05:43:42,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:42,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:43:42,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705099948] [2020-10-14 05:43:42,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:43:42,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:42,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:43:42,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:42,004 INFO L87 Difference]: Start difference. First operand 584 states and 819 transitions. Second operand 12 states. [2020-10-14 05:43:43,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:43,277 INFO L93 Difference]: Finished difference Result 600 states and 836 transitions. [2020-10-14 05:43:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:43:43,279 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2020-10-14 05:43:43,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:43,283 INFO L225 Difference]: With dead ends: 600 [2020-10-14 05:43:43,284 INFO L226 Difference]: Without dead ends: 569 [2020-10-14 05:43:43,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:43:43,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-14 05:43:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 567. [2020-10-14 05:43:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-10-14 05:43:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 798 transitions. [2020-10-14 05:43:43,328 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 798 transitions. Word has length 50 [2020-10-14 05:43:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:43,329 INFO L479 AbstractCegarLoop]: Abstraction has 567 states and 798 transitions. [2020-10-14 05:43:43,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:43:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 798 transitions. [2020-10-14 05:43:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 05:43:43,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:43,330 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] [2020-10-14 05:43:43,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 05:43:43,330 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:43,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:43,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1637476579, now seen corresponding path program 1 times [2020-10-14 05:43:43,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:43,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912705370] [2020-10-14 05:43:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:43,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:43,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:43,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:43,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:43:43,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:43:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-14 05:43:43,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:43,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 05:43:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:44,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:44,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:44,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:44,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:43:44,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:44,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:44,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:44,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:44,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:44,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:44,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:44,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:44,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:44,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:44,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:44,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:44,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:44,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:44,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:43:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:43:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:44,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:44,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:44,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 05:43:44,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:44,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 05:43:44,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:44,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:44,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:43:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:43:44,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:44,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:43:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:44,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:44,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:44,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:43:44,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:44,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:43:44,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:44,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:43:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:43:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:44,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912705370] [2020-10-14 05:43:44,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:44,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:43:44,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760945830] [2020-10-14 05:43:44,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:43:44,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:44,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:43:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:44,342 INFO L87 Difference]: Start difference. First operand 567 states and 798 transitions. Second operand 12 states. [2020-10-14 05:43:44,506 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-10-14 05:43:47,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:47,172 INFO L93 Difference]: Finished difference Result 814 states and 1236 transitions. [2020-10-14 05:43:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:43:47,172 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2020-10-14 05:43:47,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:47,178 INFO L225 Difference]: With dead ends: 814 [2020-10-14 05:43:47,179 INFO L226 Difference]: Without dead ends: 780 [2020-10-14 05:43:47,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-10-14 05:43:47,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-10-14 05:43:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 714. [2020-10-14 05:43:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2020-10-14 05:43:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1097 transitions. [2020-10-14 05:43:47,237 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1097 transitions. Word has length 51 [2020-10-14 05:43:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:47,238 INFO L479 AbstractCegarLoop]: Abstraction has 714 states and 1097 transitions. [2020-10-14 05:43:47,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:43:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1097 transitions. [2020-10-14 05:43:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 05:43:47,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:47,239 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] [2020-10-14 05:43:47,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 05:43:47,239 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:47,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:47,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1229444274, now seen corresponding path program 1 times [2020-10-14 05:43:47,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:47,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951858015] [2020-10-14 05:43:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:47,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:47,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:43:47,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:43:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-10-14 05:43:47,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:47,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:47,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:47,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 05:43:47,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:43:47,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:47,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:47,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:47,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:47,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:47,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:47,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:47,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:47,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:47,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:47,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:47,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:47,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:47,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:47,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:47,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:47,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:47,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:47,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:47,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:47,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:47,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:47,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:47,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:47,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:47,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:47,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:43:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:47,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:43:47,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:47,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:43:47,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:47,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:47,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:47,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:43:47,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:43:47,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:47,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:43:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:47,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:47,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:47,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:47,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:43:47,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:47,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:43:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 05:43:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:43:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:47,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951858015] [2020-10-14 05:43:47,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:47,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:43:47,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513663894] [2020-10-14 05:43:47,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:43:47,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:47,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:43:47,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:47,916 INFO L87 Difference]: Start difference. First operand 714 states and 1097 transitions. Second operand 8 states. [2020-10-14 05:43:49,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:49,193 INFO L93 Difference]: Finished difference Result 762 states and 1155 transitions. [2020-10-14 05:43:49,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:43:49,194 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-14 05:43:49,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:49,200 INFO L225 Difference]: With dead ends: 762 [2020-10-14 05:43:49,200 INFO L226 Difference]: Without dead ends: 732 [2020-10-14 05:43:49,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:43:49,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-10-14 05:43:49,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 717. [2020-10-14 05:43:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-10-14 05:43:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1101 transitions. [2020-10-14 05:43:49,296 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1101 transitions. Word has length 51 [2020-10-14 05:43:49,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:49,296 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 1101 transitions. [2020-10-14 05:43:49,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:43:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1101 transitions. [2020-10-14 05:43:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 05:43:49,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:49,298 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] [2020-10-14 05:43:49,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 05:43:49,298 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:49,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:49,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1071378316, now seen corresponding path program 1 times [2020-10-14 05:43:49,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:49,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373607230] [2020-10-14 05:43:49,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:49,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:49,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:49,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:43:49,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:49,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 05:43:49,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:49,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:43:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 05:43:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:49,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:49,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:49,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:49,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:49,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:49,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:49,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:49,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:49,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:49,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:49,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:49,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:49,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:49,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:49,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:49,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:49,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:49,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:49,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:49,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:43:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:43:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:49,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:49,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:43:49,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 05:43:49,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:49,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:43:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 05:43:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:43:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:49,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:49,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:49,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:43:49,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:49,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:43:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:43:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:43:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:49,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373607230] [2020-10-14 05:43:49,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:49,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:43:49,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556980789] [2020-10-14 05:43:49,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:43:49,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:49,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:43:49,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:49,781 INFO L87 Difference]: Start difference. First operand 717 states and 1101 transitions. Second operand 12 states. [2020-10-14 05:43:51,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:51,447 INFO L93 Difference]: Finished difference Result 842 states and 1355 transitions. [2020-10-14 05:43:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:43:51,453 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2020-10-14 05:43:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:51,458 INFO L225 Difference]: With dead ends: 842 [2020-10-14 05:43:51,458 INFO L226 Difference]: Without dead ends: 799 [2020-10-14 05:43:51,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2020-10-14 05:43:51,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2020-10-14 05:43:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 683. [2020-10-14 05:43:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-10-14 05:43:51,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1058 transitions. [2020-10-14 05:43:51,519 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1058 transitions. Word has length 51 [2020-10-14 05:43:51,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:51,520 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 1058 transitions. [2020-10-14 05:43:51,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:43:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1058 transitions. [2020-10-14 05:43:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 05:43:51,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:51,521 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] [2020-10-14 05:43:51,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 05:43:51,521 INFO L427 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:51,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1218071118, now seen corresponding path program 1 times [2020-10-14 05:43:51,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:51,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872627250] [2020-10-14 05:43:51,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:51,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:43:51,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 05:43:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:51,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 05:43:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:43:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:51,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:51,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:51,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:51,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:51,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:51,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:51,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:51,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:51,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:51,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:51,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:51,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:51,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:51,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:51,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:51,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:51,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:51,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:51,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:43:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:43:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:51,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:51,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:51,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:43:51,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:43:51,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:51,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:43:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:43:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:51,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:51,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:51,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:43:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:51,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:43:51,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:51,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872627250] [2020-10-14 05:43:51,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:51,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:43:51,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265309493] [2020-10-14 05:43:51,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:43:51,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:43:51,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:43:51,766 INFO L87 Difference]: Start difference. First operand 683 states and 1058 transitions. Second operand 7 states. [2020-10-14 05:43:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:53,304 INFO L93 Difference]: Finished difference Result 861 states and 1412 transitions. [2020-10-14 05:43:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 05:43:53,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-14 05:43:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:53,310 INFO L225 Difference]: With dead ends: 861 [2020-10-14 05:43:53,310 INFO L226 Difference]: Without dead ends: 852 [2020-10-14 05:43:53,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:43:53,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-14 05:43:53,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 680. [2020-10-14 05:43:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-14 05:43:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1053 transitions. [2020-10-14 05:43:53,373 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1053 transitions. Word has length 51 [2020-10-14 05:43:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:53,373 INFO L479 AbstractCegarLoop]: Abstraction has 680 states and 1053 transitions. [2020-10-14 05:43:53,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:43:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1053 transitions. [2020-10-14 05:43:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 05:43:53,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:53,374 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] [2020-10-14 05:43:53,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 05:43:53,374 INFO L427 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:53,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:53,375 INFO L82 PathProgramCache]: Analyzing trace with hash -441497748, now seen corresponding path program 1 times [2020-10-14 05:43:53,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:53,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768674516] [2020-10-14 05:43:53,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 05:43:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 05:43:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:53,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:43:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 05:43:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:43:53,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:53,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:53,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:53,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:53,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:53,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:53,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:53,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:53,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:53,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:53,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:53,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:53,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:53,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:53,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:43:53,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:53,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:53,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:53,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:53,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:53,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:53,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:53,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:53,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:53,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:43:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:53,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:53,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:43:53,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 05:43:53,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:53,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:43:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 05:43:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:43:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:53,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:53,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:53,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:43:53,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:43:53,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:53,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:43:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:43:53,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:53,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768674516] [2020-10-14 05:43:53,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:53,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:43:53,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277839774] [2020-10-14 05:43:53,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:43:53,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:53,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:43:53,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:53,854 INFO L87 Difference]: Start difference. First operand 680 states and 1053 transitions. Second operand 12 states. [2020-10-14 05:43:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:55,065 INFO L93 Difference]: Finished difference Result 701 states and 1080 transitions. [2020-10-14 05:43:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:43:55,067 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-10-14 05:43:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:55,072 INFO L225 Difference]: With dead ends: 701 [2020-10-14 05:43:55,072 INFO L226 Difference]: Without dead ends: 664 [2020-10-14 05:43:55,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:43:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-10-14 05:43:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 656. [2020-10-14 05:43:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-14 05:43:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1026 transitions. [2020-10-14 05:43:55,126 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1026 transitions. Word has length 52 [2020-10-14 05:43:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:55,126 INFO L479 AbstractCegarLoop]: Abstraction has 656 states and 1026 transitions. [2020-10-14 05:43:55,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:43:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1026 transitions. [2020-10-14 05:43:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 05:43:55,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:55,127 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] [2020-10-14 05:43:55,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 05:43:55,128 INFO L427 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:55,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:55,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1255987189, now seen corresponding path program 1 times [2020-10-14 05:43:55,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:55,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021904355] [2020-10-14 05:43:55,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 05:43:55,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 05:43:55,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 05:43:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:43:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:55,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:55,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:55,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:43:55,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:55,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 05:43:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:43:55,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:55,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:55,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 05:43:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:55,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:55,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:55,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:55,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:55,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:55,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:55,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:55,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:55,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:43:55,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:55,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021904355] [2020-10-14 05:43:55,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:55,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:43:55,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214740804] [2020-10-14 05:43:55,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:43:55,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:55,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:43:55,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:55,448 INFO L87 Difference]: Start difference. First operand 656 states and 1026 transitions. Second operand 8 states. [2020-10-14 05:43:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:43:55,946 INFO L93 Difference]: Finished difference Result 1178 states and 1914 transitions. [2020-10-14 05:43:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:43:55,947 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-14 05:43:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:43:55,952 INFO L225 Difference]: With dead ends: 1178 [2020-10-14 05:43:55,953 INFO L226 Difference]: Without dead ends: 675 [2020-10-14 05:43:55,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:43:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-10-14 05:43:56,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 655. [2020-10-14 05:43:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-10-14 05:43:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1023 transitions. [2020-10-14 05:43:56,014 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1023 transitions. Word has length 58 [2020-10-14 05:43:56,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:43:56,015 INFO L479 AbstractCegarLoop]: Abstraction has 655 states and 1023 transitions. [2020-10-14 05:43:56,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:43:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1023 transitions. [2020-10-14 05:43:56,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 05:43:56,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:43:56,016 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] [2020-10-14 05:43:56,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 05:43:56,016 INFO L427 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:43:56,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:43:56,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2092051162, now seen corresponding path program 1 times [2020-10-14 05:43:56,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:43:56,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603740723] [2020-10-14 05:43:56,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:43:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:56,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:56,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:56,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:56,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 05:43:59,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:43:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3225 [2020-10-14 05:43:59,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:43:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 05:43:59,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 05:43:59,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:43:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:59,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:59,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:43:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:59,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:59,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:59,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:59,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:43:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:59,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:59,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:59,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:43:59,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:43:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:43:59,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:43:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 05:43:59,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:43:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:43:59,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:43:59,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:59,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:59,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:43:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:43:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:43:59,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:43:59,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:43:59,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:43:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:43:59,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:43:59,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:43:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:43:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:43:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:43:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:43:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:43:59,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603740723] [2020-10-14 05:43:59,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:43:59,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:43:59,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285103265] [2020-10-14 05:43:59,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:43:59,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:43:59,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:43:59,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:43:59,531 INFO L87 Difference]: Start difference. First operand 655 states and 1023 transitions. Second operand 8 states. [2020-10-14 05:44:00,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:00,247 INFO L93 Difference]: Finished difference Result 1020 states and 1701 transitions. [2020-10-14 05:44:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:44:00,248 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2020-10-14 05:44:00,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:00,257 INFO L225 Difference]: With dead ends: 1020 [2020-10-14 05:44:00,257 INFO L226 Difference]: Without dead ends: 1017 [2020-10-14 05:44:00,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:44:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-14 05:44:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 689. [2020-10-14 05:44:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-14 05:44:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1074 transitions. [2020-10-14 05:44:00,326 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1074 transitions. Word has length 62 [2020-10-14 05:44:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:00,326 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 1074 transitions. [2020-10-14 05:44:00,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:44:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1074 transitions. [2020-10-14 05:44:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 05:44:00,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:00,328 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] [2020-10-14 05:44:00,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 05:44:00,328 INFO L427 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:00,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:00,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1978422846, now seen corresponding path program 1 times [2020-10-14 05:44:00,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:00,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753326019] [2020-10-14 05:44:00,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:44:00,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-14 05:44:00,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 05:44:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 05:44:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 05:44:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:00,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:00,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:00,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:00,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:00,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:44:00,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 05:44:00,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:44:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 05:44:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:44:00,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:44:00,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:44:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 05:44:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:00,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:00,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:00,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:00,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:44:00,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:44:00,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:00,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:44:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:00,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753326019] [2020-10-14 05:44:00,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:00,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:44:00,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362996170] [2020-10-14 05:44:00,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:44:00,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:00,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:44:00,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:44:00,996 INFO L87 Difference]: Start difference. First operand 689 states and 1074 transitions. Second operand 15 states. [2020-10-14 05:44:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:01,940 INFO L93 Difference]: Finished difference Result 699 states and 1088 transitions. [2020-10-14 05:44:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:44:01,940 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 58 [2020-10-14 05:44:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:01,945 INFO L225 Difference]: With dead ends: 699 [2020-10-14 05:44:01,945 INFO L226 Difference]: Without dead ends: 657 [2020-10-14 05:44:01,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:44:01,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-14 05:44:01,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 649. [2020-10-14 05:44:01,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-10-14 05:44:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1030 transitions. [2020-10-14 05:44:02,001 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1030 transitions. Word has length 58 [2020-10-14 05:44:02,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:02,001 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 1030 transitions. [2020-10-14 05:44:02,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:44:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1030 transitions. [2020-10-14 05:44:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 05:44:02,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:02,002 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] [2020-10-14 05:44:02,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 05:44:02,002 INFO L427 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:02,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:02,003 INFO L82 PathProgramCache]: Analyzing trace with hash -666940533, now seen corresponding path program 1 times [2020-10-14 05:44:02,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:02,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878927795] [2020-10-14 05:44:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:02,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:02,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:02,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:02,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:06,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 05:44:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:44:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4606 [2020-10-14 05:44:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:06,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:06,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:44:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 05:44:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:06,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:06,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:06,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:06,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:06,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:06,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:06,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:06,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:06,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:06,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:06,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:06,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:44:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:06,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:06,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:06,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:06,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:06,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:06,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:44:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:44:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 05:44:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:06,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:44:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:44:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:06,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:06,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:06,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:06,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:06,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:06,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:07,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:07,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:07,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:07,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:07,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:07,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878927795] [2020-10-14 05:44:07,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:07,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 05:44:07,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474050746] [2020-10-14 05:44:07,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 05:44:07,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:07,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 05:44:07,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:44:07,026 INFO L87 Difference]: Start difference. First operand 649 states and 1030 transitions. Second operand 11 states. [2020-10-14 05:44:07,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:07,993 INFO L93 Difference]: Finished difference Result 1270 states and 2081 transitions. [2020-10-14 05:44:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:44:07,994 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-10-14 05:44:07,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:08,000 INFO L225 Difference]: With dead ends: 1270 [2020-10-14 05:44:08,000 INFO L226 Difference]: Without dead ends: 698 [2020-10-14 05:44:08,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-10-14 05:44:08,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2020-10-14 05:44:08,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 652. [2020-10-14 05:44:08,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-14 05:44:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1045 transitions. [2020-10-14 05:44:08,072 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1045 transitions. Word has length 63 [2020-10-14 05:44:08,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:08,073 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 1045 transitions. [2020-10-14 05:44:08,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 05:44:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1045 transitions. [2020-10-14 05:44:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 05:44:08,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:08,074 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] [2020-10-14 05:44:08,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 05:44:08,074 INFO L427 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:08,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:08,074 INFO L82 PathProgramCache]: Analyzing trace with hash -303975472, now seen corresponding path program 1 times [2020-10-14 05:44:08,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:08,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776750721] [2020-10-14 05:44:08,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 05:44:08,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-14 05:44:08,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 05:44:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:08,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:08,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:44:08,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:08,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:08,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:08,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:44:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:44:08,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 05:44:08,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 05:44:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:08,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:44:08,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 05:44:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:44:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:08,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 05:44:08,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:44:08,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:08,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:44:08,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:08,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:08,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:08,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:08,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:08,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:08,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776750721] [2020-10-14 05:44:08,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:08,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:44:08,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400031601] [2020-10-14 05:44:08,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:44:08,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:08,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:44:08,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:44:08,736 INFO L87 Difference]: Start difference. First operand 652 states and 1045 transitions. Second operand 12 states. [2020-10-14 05:44:09,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:09,604 INFO L93 Difference]: Finished difference Result 1057 states and 1693 transitions. [2020-10-14 05:44:09,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:44:09,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-10-14 05:44:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:09,613 INFO L225 Difference]: With dead ends: 1057 [2020-10-14 05:44:09,614 INFO L226 Difference]: Without dead ends: 479 [2020-10-14 05:44:09,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:44:09,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-10-14 05:44:09,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 407. [2020-10-14 05:44:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-10-14 05:44:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 589 transitions. [2020-10-14 05:44:09,674 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 589 transitions. Word has length 65 [2020-10-14 05:44:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:09,674 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 589 transitions. [2020-10-14 05:44:09,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:44:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 589 transitions. [2020-10-14 05:44:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 05:44:09,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:09,678 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] [2020-10-14 05:44:09,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 05:44:09,678 INFO L427 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:09,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:09,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1801004585, now seen corresponding path program 1 times [2020-10-14 05:44:09,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:09,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36838335] [2020-10-14 05:44:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:09,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:09,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 05:44:09,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 05:44:09,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:09,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:44:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:44:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 05:44:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:09,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:09,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:09,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:09,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:09,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:09,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:09,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:09,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:09,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:09,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:09,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:09,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:09,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:44:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:09,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:44:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:10,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:10,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:10,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:10,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:10,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:10,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:44:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:10,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:10,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 05:44:10,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 05:44:10,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:10,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:44:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 05:44:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:44:10,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:10,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:10,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:10,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:10,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 05:44:10,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:10,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 05:44:10,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:10,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:10,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:44:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 05:44:10,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:10,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:10,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:10,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:10,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:10,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:10,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:10,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:10,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:10,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:10,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:10,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:10,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:10,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:10,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:10,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:10,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:10,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:10,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:10,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:10,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:10,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:10,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:44:10,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:10,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36838335] [2020-10-14 05:44:10,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:10,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:44:10,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708528319] [2020-10-14 05:44:10,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:44:10,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:10,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:44:10,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:44:10,297 INFO L87 Difference]: Start difference. First operand 407 states and 589 transitions. Second operand 12 states. [2020-10-14 05:44:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:10,958 INFO L93 Difference]: Finished difference Result 666 states and 958 transitions. [2020-10-14 05:44:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:44:10,959 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2020-10-14 05:44:10,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:10,961 INFO L225 Difference]: With dead ends: 666 [2020-10-14 05:44:10,961 INFO L226 Difference]: Without dead ends: 317 [2020-10-14 05:44:10,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-10-14 05:44:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-10-14 05:44:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 299. [2020-10-14 05:44:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-14 05:44:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 399 transitions. [2020-10-14 05:44:11,004 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 399 transitions. Word has length 69 [2020-10-14 05:44:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:11,004 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 399 transitions. [2020-10-14 05:44:11,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:44:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 399 transitions. [2020-10-14 05:44:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 05:44:11,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:11,007 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] [2020-10-14 05:44:11,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 05:44:11,008 INFO L427 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:11,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:11,009 INFO L82 PathProgramCache]: Analyzing trace with hash -230843816, now seen corresponding path program 1 times [2020-10-14 05:44:11,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:11,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751115135] [2020-10-14 05:44:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 05:44:11,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:44:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 670 [2020-10-14 05:44:11,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 05:44:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:44:11,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:11,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:11,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:11,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:11,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:11,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:11,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:11,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:11,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:11,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:11,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:11,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:44:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:11,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:44:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 05:44:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:44:11,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:11,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:11,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:44:11,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:11,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:11,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:11,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:11,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:11,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:11,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:11,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:11,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:11,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:11,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751115135] [2020-10-14 05:44:11,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:11,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:44:11,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905857766] [2020-10-14 05:44:11,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:44:11,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:11,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:44:11,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:44:11,934 INFO L87 Difference]: Start difference. First operand 299 states and 399 transitions. Second operand 9 states. [2020-10-14 05:44:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:12,493 INFO L93 Difference]: Finished difference Result 584 states and 815 transitions. [2020-10-14 05:44:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 05:44:12,494 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-14 05:44:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:12,497 INFO L225 Difference]: With dead ends: 584 [2020-10-14 05:44:12,498 INFO L226 Difference]: Without dead ends: 323 [2020-10-14 05:44:12,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:44:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-14 05:44:12,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 302. [2020-10-14 05:44:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-14 05:44:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 402 transitions. [2020-10-14 05:44:12,549 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 402 transitions. Word has length 70 [2020-10-14 05:44:12,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:12,549 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 402 transitions. [2020-10-14 05:44:12,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:44:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 402 transitions. [2020-10-14 05:44:12,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 05:44:12,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:12,550 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] [2020-10-14 05:44:12,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 05:44:12,551 INFO L427 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:12,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:12,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1241961066, now seen corresponding path program 1 times [2020-10-14 05:44:12,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:12,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918925211] [2020-10-14 05:44:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:12,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:12,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:12,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:13,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:13,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 05:44:13,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:44:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1251 [2020-10-14 05:44:13,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:13,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:44:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 05:44:13,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:13,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:13,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:13,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:13,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:13,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:13,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:13,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:13,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:13,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:13,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:13,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:13,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:44:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:13,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:13,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:13,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:13,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:13,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:13,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:13,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:13,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:44:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:14,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 05:44:14,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:14,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:44:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:14,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:44:14,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:14,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:14,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:14,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:14,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:14,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:14,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:14,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:14,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:14,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:14,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:14,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:14,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:14,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:14,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:14,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:14,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:14,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:14,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:14,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:14,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918925211] [2020-10-14 05:44:14,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:14,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:44:14,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925083669] [2020-10-14 05:44:14,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:44:14,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:14,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:44:14,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:44:14,111 INFO L87 Difference]: Start difference. First operand 302 states and 402 transitions. Second operand 12 states. [2020-10-14 05:44:14,387 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-14 05:44:16,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:16,421 INFO L93 Difference]: Finished difference Result 674 states and 948 transitions. [2020-10-14 05:44:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 05:44:16,421 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 70 [2020-10-14 05:44:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:16,424 INFO L225 Difference]: With dead ends: 674 [2020-10-14 05:44:16,424 INFO L226 Difference]: Without dead ends: 432 [2020-10-14 05:44:16,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2020-10-14 05:44:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-14 05:44:16,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 338. [2020-10-14 05:44:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-14 05:44:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 463 transitions. [2020-10-14 05:44:16,462 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 463 transitions. Word has length 70 [2020-10-14 05:44:16,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:16,463 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 463 transitions. [2020-10-14 05:44:16,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:44:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 463 transitions. [2020-10-14 05:44:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 05:44:16,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:16,464 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] [2020-10-14 05:44:16,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 05:44:16,465 INFO L427 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:16,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1089521573, now seen corresponding path program 1 times [2020-10-14 05:44:16,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:16,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907666377] [2020-10-14 05:44:16,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:16,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:16,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:16,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:16,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:16,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:16,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:16,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:44:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:16,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:44:16,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:44:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:16,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:44:16,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:16,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:16,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:16,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:16,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:44:16,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:16,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:16,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:16,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:16,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:16,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:16,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:16,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907666377] [2020-10-14 05:44:16,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:16,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:44:16,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285584979] [2020-10-14 05:44:16,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:44:16,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:16,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:44:16,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:44:16,848 INFO L87 Difference]: Start difference. First operand 338 states and 463 transitions. Second operand 9 states. [2020-10-14 05:44:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:17,583 INFO L93 Difference]: Finished difference Result 890 states and 1302 transitions. [2020-10-14 05:44:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:44:17,584 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-14 05:44:17,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:17,588 INFO L225 Difference]: With dead ends: 890 [2020-10-14 05:44:17,588 INFO L226 Difference]: Without dead ends: 593 [2020-10-14 05:44:17,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:44:17,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-14 05:44:17,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 555. [2020-10-14 05:44:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-10-14 05:44:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 810 transitions. [2020-10-14 05:44:17,642 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 810 transitions. Word has length 71 [2020-10-14 05:44:17,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:17,643 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 810 transitions. [2020-10-14 05:44:17,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:44:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 810 transitions. [2020-10-14 05:44:17,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-14 05:44:17,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:17,644 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] [2020-10-14 05:44:17,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 05:44:17,644 INFO L427 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:17,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:17,645 INFO L82 PathProgramCache]: Analyzing trace with hash 59211627, now seen corresponding path program 1 times [2020-10-14 05:44:17,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:17,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897387659] [2020-10-14 05:44:17,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:17,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 05:44:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:17,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:17,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:17,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:17,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:17,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:17,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:17,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:17,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:17,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:17,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:17,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:17,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:17,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:17,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:18,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:44:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:18,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:18,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 05:44:18,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 05:44:18,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:18,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:44:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:18,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:18,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:18,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 05:44:18,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:18,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:44:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:18,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:18,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:18,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:18,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:18,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:18,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:18,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:18,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:18,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:18,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:18,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:18,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:18,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:18,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:18,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:18,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:18,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:18,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897387659] [2020-10-14 05:44:18,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:18,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 05:44:18,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004681908] [2020-10-14 05:44:18,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 05:44:18,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:18,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 05:44:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:44:18,318 INFO L87 Difference]: Start difference. First operand 555 states and 810 transitions. Second operand 13 states. [2020-10-14 05:44:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:18,800 INFO L93 Difference]: Finished difference Result 1046 states and 1579 transitions. [2020-10-14 05:44:18,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:44:18,801 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 72 [2020-10-14 05:44:18,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:18,813 INFO L225 Difference]: With dead ends: 1046 [2020-10-14 05:44:18,813 INFO L226 Difference]: Without dead ends: 566 [2020-10-14 05:44:18,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:44:18,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-14 05:44:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 555. [2020-10-14 05:44:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-10-14 05:44:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 807 transitions. [2020-10-14 05:44:18,898 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 807 transitions. Word has length 72 [2020-10-14 05:44:18,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:18,901 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 807 transitions. [2020-10-14 05:44:18,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 05:44:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 807 transitions. [2020-10-14 05:44:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-14 05:44:18,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:18,903 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] [2020-10-14 05:44:18,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 05:44:18,904 INFO L427 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1688145691, now seen corresponding path program 1 times [2020-10-14 05:44:18,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:18,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695182655] [2020-10-14 05:44:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 05:44:19,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:19,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-14 05:44:19,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 05:44:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:44:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:19,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:19,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:19,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:19,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:19,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:19,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:19,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:19,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:44:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 05:44:19,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 05:44:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 05:44:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:44:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:19,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 05:44:19,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 05:44:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:19,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:44:19,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:19,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:19,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:19,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:19,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:19,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:44:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:19,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:19,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:19,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:44:19,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:19,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:44:19,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:19,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:44:19,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:19,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695182655] [2020-10-14 05:44:19,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:19,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:44:19,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450530756] [2020-10-14 05:44:19,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:44:19,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:19,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:44:19,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:44:19,574 INFO L87 Difference]: Start difference. First operand 555 states and 807 transitions. Second operand 12 states. [2020-10-14 05:44:20,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:20,914 INFO L93 Difference]: Finished difference Result 958 states and 1407 transitions. [2020-10-14 05:44:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:44:20,915 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-10-14 05:44:20,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:20,918 INFO L225 Difference]: With dead ends: 958 [2020-10-14 05:44:20,918 INFO L226 Difference]: Without dead ends: 507 [2020-10-14 05:44:20,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2020-10-14 05:44:20,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-14 05:44:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 462. [2020-10-14 05:44:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-14 05:44:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 644 transitions. [2020-10-14 05:44:20,994 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 644 transitions. Word has length 83 [2020-10-14 05:44:20,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:20,994 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 644 transitions. [2020-10-14 05:44:20,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:44:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 644 transitions. [2020-10-14 05:44:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 05:44:20,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:20,996 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, 1, 1, 1] [2020-10-14 05:44:20,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 05:44:20,996 INFO L427 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:20,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:20,996 INFO L82 PathProgramCache]: Analyzing trace with hash 404145100, now seen corresponding path program 1 times [2020-10-14 05:44:20,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:20,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625456303] [2020-10-14 05:44:20,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:21,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:21,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 05:44:22,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:44:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-14 05:44:22,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 05:44:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 05:44:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 05:44:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:22,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:22,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:22,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:22,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:22,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:22,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 05:44:22,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 05:44:22,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 05:44:22,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:44:22,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 05:44:22,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:44:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 05:44:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:22,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:22,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:22,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:22,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:22,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:22,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:44:22,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:22,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 05:44:22,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:23,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:23,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:23,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:23,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:23,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:23,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:23,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:23,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:23,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:23,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:23,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:23,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 05:44:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:23,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:23,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:23,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:23,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625456303] [2020-10-14 05:44:23,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:23,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-14 05:44:23,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713687931] [2020-10-14 05:44:23,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 05:44:23,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:23,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 05:44:23,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2020-10-14 05:44:23,099 INFO L87 Difference]: Start difference. First operand 462 states and 644 transitions. Second operand 23 states. [2020-10-14 05:44:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:24,232 INFO L93 Difference]: Finished difference Result 498 states and 695 transitions. [2020-10-14 05:44:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 05:44:24,233 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 92 [2020-10-14 05:44:24,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:24,235 INFO L225 Difference]: With dead ends: 498 [2020-10-14 05:44:24,235 INFO L226 Difference]: Without dead ends: 473 [2020-10-14 05:44:24,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2020-10-14 05:44:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-14 05:44:24,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 465. [2020-10-14 05:44:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-14 05:44:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 647 transitions. [2020-10-14 05:44:24,280 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 647 transitions. Word has length 92 [2020-10-14 05:44:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:24,281 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 647 transitions. [2020-10-14 05:44:24,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 05:44:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 647 transitions. [2020-10-14 05:44:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-14 05:44:24,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:24,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:24,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 05:44:24,283 INFO L427 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash 457892378, now seen corresponding path program 1 times [2020-10-14 05:44:24,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:24,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355536143] [2020-10-14 05:44:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:24,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:24,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:25,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 05:44:29,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:44:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 05:44:29,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 05:44:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:29,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:29,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:29,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:44:29,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:29,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:29,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:29,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:29,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:29,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:29,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:29,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 05:44:29,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:29,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 05:44:29,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 05:44:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:29,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 05:44:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 05:44:29,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 05:44:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 05:44:29,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:29,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 05:44:29,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 05:44:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:29,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:29,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:44:29,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:29,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:29,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:29,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:29,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 05:44:29,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:29,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:29,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:29,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:29,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:29,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:30,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:30,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:30,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:30,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:30,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:30,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:30,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:30,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:30,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:30,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:30,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:30,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:30,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:30,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:30,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 05:44:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:30,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 05:44:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:30,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:44:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:30,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:30,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:30,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 05:44:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:30,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355536143] [2020-10-14 05:44:30,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:30,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:44:30,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730436160] [2020-10-14 05:44:30,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:44:30,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:30,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:44:30,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:44:30,068 INFO L87 Difference]: Start difference. First operand 465 states and 647 transitions. Second operand 15 states. [2020-10-14 05:44:30,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:30,597 INFO L93 Difference]: Finished difference Result 844 states and 1188 transitions. [2020-10-14 05:44:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:44:30,598 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 102 [2020-10-14 05:44:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:30,601 INFO L225 Difference]: With dead ends: 844 [2020-10-14 05:44:30,601 INFO L226 Difference]: Without dead ends: 490 [2020-10-14 05:44:30,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:44:30,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-14 05:44:30,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 473. [2020-10-14 05:44:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-14 05:44:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 659 transitions. [2020-10-14 05:44:30,654 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 659 transitions. Word has length 102 [2020-10-14 05:44:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:30,655 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 659 transitions. [2020-10-14 05:44:30,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:44:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 659 transitions. [2020-10-14 05:44:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 05:44:30,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:30,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:30,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 05:44:30,658 INFO L427 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:30,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:30,658 INFO L82 PathProgramCache]: Analyzing trace with hash 558183389, now seen corresponding path program 1 times [2020-10-14 05:44:30,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:30,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062146950] [2020-10-14 05:44:30,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:30,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:30,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:31,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 05:44:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:35,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:35,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:35,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:35,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:35,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:35,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:35,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:35,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:35,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:35,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:35,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 05:44:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:35,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:35,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 05:44:36,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:36,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 05:44:36,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 05:44:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:36,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:36,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:44:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:36,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:36,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:44:36,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:36,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:44:36,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:36,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:36,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:36,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:36,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:36,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:36,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:44:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:44:36,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:36,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 05:44:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:44:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:36,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:36,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 05:44:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:36,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062146950] [2020-10-14 05:44:36,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:36,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:44:36,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687098290] [2020-10-14 05:44:36,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:44:36,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:36,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:44:36,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:44:36,303 INFO L87 Difference]: Start difference. First operand 473 states and 659 transitions. Second operand 15 states. [2020-10-14 05:44:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:36,805 INFO L93 Difference]: Finished difference Result 840 states and 1181 transitions. [2020-10-14 05:44:36,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:44:36,806 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 103 [2020-10-14 05:44:36,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:36,808 INFO L225 Difference]: With dead ends: 840 [2020-10-14 05:44:36,808 INFO L226 Difference]: Without dead ends: 480 [2020-10-14 05:44:36,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:44:36,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-14 05:44:36,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 458. [2020-10-14 05:44:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-14 05:44:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 636 transitions. [2020-10-14 05:44:36,853 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 636 transitions. Word has length 103 [2020-10-14 05:44:36,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:36,853 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 636 transitions. [2020-10-14 05:44:36,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:44:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 636 transitions. [2020-10-14 05:44:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 05:44:36,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:36,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:36,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 05:44:36,855 INFO L427 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:36,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -717142946, now seen corresponding path program 1 times [2020-10-14 05:44:36,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:36,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729946763] [2020-10-14 05:44:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:36,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 05:44:37,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-14 05:44:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 05:44:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 05:44:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 05:44:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:37,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:37,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:37,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:37,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:37,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:37,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:37,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 05:44:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 05:44:37,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 05:44:37,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 05:44:37,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:44:37,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:44:37,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:37,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 05:44:37,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:37,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:37,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:37,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:37,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:37,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:44:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:44:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:37,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:37,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729946763] [2020-10-14 05:44:37,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:37,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-14 05:44:37,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077347947] [2020-10-14 05:44:37,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 05:44:37,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:37,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 05:44:37,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2020-10-14 05:44:37,971 INFO L87 Difference]: Start difference. First operand 458 states and 636 transitions. Second operand 23 states. [2020-10-14 05:44:40,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:40,884 INFO L93 Difference]: Finished difference Result 911 states and 1286 transitions. [2020-10-14 05:44:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 05:44:40,884 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 103 [2020-10-14 05:44:40,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:40,887 INFO L225 Difference]: With dead ends: 911 [2020-10-14 05:44:40,887 INFO L226 Difference]: Without dead ends: 875 [2020-10-14 05:44:40,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=2261, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 05:44:40,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-14 05:44:40,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 853. [2020-10-14 05:44:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-10-14 05:44:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1205 transitions. [2020-10-14 05:44:40,974 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1205 transitions. Word has length 103 [2020-10-14 05:44:40,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:40,974 INFO L479 AbstractCegarLoop]: Abstraction has 853 states and 1205 transitions. [2020-10-14 05:44:40,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 05:44:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1205 transitions. [2020-10-14 05:44:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 05:44:40,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:40,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:40,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-14 05:44:40,976 INFO L427 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:40,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:40,977 INFO L82 PathProgramCache]: Analyzing trace with hash -745643236, now seen corresponding path program 1 times [2020-10-14 05:44:40,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:40,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069499840] [2020-10-14 05:44:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 05:44:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 05:44:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 05:44:41,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:41,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:41,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:41,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:41,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:41,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:41,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:41,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 05:44:41,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 05:44:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 05:44:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 05:44:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:41,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:41,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:41,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:44:41,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:41,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 05:44:41,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:41,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 05:44:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:42,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:42,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:42,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:42,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:42,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:42,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:42,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:42,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:42,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:42,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:42,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:42,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:42,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:42,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:42,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:42,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:42,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:42,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:42,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:42,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:42,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:42,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:42,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:42,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:42,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:42,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:44:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:42,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:42,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:42,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:44:42,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:42,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:42,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:42,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:44:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:42,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:42,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:42,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:42,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:42,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:42,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069499840] [2020-10-14 05:44:42,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:42,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-14 05:44:42,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109443049] [2020-10-14 05:44:42,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 05:44:42,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:42,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 05:44:42,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2020-10-14 05:44:42,115 INFO L87 Difference]: Start difference. First operand 853 states and 1205 transitions. Second operand 23 states. [2020-10-14 05:44:45,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:45,661 INFO L93 Difference]: Finished difference Result 898 states and 1270 transitions. [2020-10-14 05:44:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 05:44:45,661 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 103 [2020-10-14 05:44:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:45,664 INFO L225 Difference]: With dead ends: 898 [2020-10-14 05:44:45,664 INFO L226 Difference]: Without dead ends: 862 [2020-10-14 05:44:45,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=257, Invalid=1723, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 05:44:45,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-14 05:44:45,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 448. [2020-10-14 05:44:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-14 05:44:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 623 transitions. [2020-10-14 05:44:45,708 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 623 transitions. Word has length 103 [2020-10-14 05:44:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:45,708 INFO L479 AbstractCegarLoop]: Abstraction has 448 states and 623 transitions. [2020-10-14 05:44:45,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 05:44:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 623 transitions. [2020-10-14 05:44:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 05:44:45,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:45,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:45,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-14 05:44:45,710 INFO L427 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:45,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:45,710 INFO L82 PathProgramCache]: Analyzing trace with hash 663424798, now seen corresponding path program 1 times [2020-10-14 05:44:45,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:45,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638673996] [2020-10-14 05:44:45,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:45,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 05:44:47,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:44:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1452 [2020-10-14 05:44:47,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 05:44:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-14 05:44:47,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 05:44:47,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:47,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:47,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:47,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 05:44:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 05:44:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 05:44:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 05:44:47,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 05:44:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:44:47,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:44:47,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:44:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 05:44:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:47,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:44:47,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:47,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 05:44:47,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:47,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:47,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:47,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:47,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:47,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:47,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:47,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:47,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 05:44:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:47,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:48,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 05:44:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:48,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:48,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:44:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:48,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:48,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:48,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:48,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:48,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:44:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:48,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:48,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:48,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:48,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638673996] [2020-10-14 05:44:48,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:48,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-14 05:44:48,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46356487] [2020-10-14 05:44:48,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 05:44:48,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:48,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 05:44:48,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2020-10-14 05:44:48,096 INFO L87 Difference]: Start difference. First operand 448 states and 623 transitions. Second operand 25 states. [2020-10-14 05:44:49,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:49,593 INFO L93 Difference]: Finished difference Result 485 states and 675 transitions. [2020-10-14 05:44:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 05:44:49,594 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 108 [2020-10-14 05:44:49,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:49,596 INFO L225 Difference]: With dead ends: 485 [2020-10-14 05:44:49,596 INFO L226 Difference]: Without dead ends: 445 [2020-10-14 05:44:49,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=1116, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 05:44:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-14 05:44:49,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 406. [2020-10-14 05:44:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-14 05:44:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 542 transitions. [2020-10-14 05:44:49,627 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 542 transitions. Word has length 108 [2020-10-14 05:44:49,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:49,627 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 542 transitions. [2020-10-14 05:44:49,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 05:44:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 542 transitions. [2020-10-14 05:44:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 05:44:49,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:49,630 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:49,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-14 05:44:49,630 INFO L427 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:49,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:49,630 INFO L82 PathProgramCache]: Analyzing trace with hash 147468031, now seen corresponding path program 1 times [2020-10-14 05:44:49,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:49,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188329690] [2020-10-14 05:44:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:49,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:49,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:49,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:49,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:49,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 05:44:49,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:44:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-14 05:44:49,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:49,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 05:44:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:44:49,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:50,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:50,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:44:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:44:50,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:44:50,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:50,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:44:50,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:50,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:50,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:50,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:44:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:44:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 05:44:50,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:44:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:44:50,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:50,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:44:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:50,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:44:50,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:44:50,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:50,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:50,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:50,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:50,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:50,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 05:44:50,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188329690] [2020-10-14 05:44:50,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:50,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:44:50,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947055059] [2020-10-14 05:44:50,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:44:50,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:50,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:44:50,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:44:50,505 INFO L87 Difference]: Start difference. First operand 406 states and 542 transitions. Second operand 15 states. [2020-10-14 05:44:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:51,121 INFO L93 Difference]: Finished difference Result 719 states and 955 transitions. [2020-10-14 05:44:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:44:51,122 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 121 [2020-10-14 05:44:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:51,125 INFO L225 Difference]: With dead ends: 719 [2020-10-14 05:44:51,125 INFO L226 Difference]: Without dead ends: 412 [2020-10-14 05:44:51,126 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:44:51,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-14 05:44:51,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 401. [2020-10-14 05:44:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-14 05:44:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 525 transitions. [2020-10-14 05:44:51,169 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 525 transitions. Word has length 121 [2020-10-14 05:44:51,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:51,170 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 525 transitions. [2020-10-14 05:44:51,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:44:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 525 transitions. [2020-10-14 05:44:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 05:44:51,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:51,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:51,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-14 05:44:51,172 INFO L427 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:51,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:51,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1084104682, now seen corresponding path program 1 times [2020-10-14 05:44:51,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:51,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089967551] [2020-10-14 05:44:51,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:51,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:51,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:51,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-14 05:44:51,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-14 05:44:51,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:51,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 05:44:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 05:44:51,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 05:44:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:51,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:51,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:51,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:51,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:51,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:51,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:51,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:51,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:51,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:51,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:51,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:51,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:51,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 05:44:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 05:44:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 05:44:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 05:44:52,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 05:44:52,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 05:44:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 05:44:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:44:52,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 05:44:52,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 05:44:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:52,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:52,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:52,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:52,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:52,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:52,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:52,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:52,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:52,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:44:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:44:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:44:52,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:52,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:44:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:52,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:52,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:52,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:44:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:44:52,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:44:52,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:44:52,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:52,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:44:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:52,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:52,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:52,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089967551] [2020-10-14 05:44:52,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:52,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-14 05:44:52,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696825911] [2020-10-14 05:44:52,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 05:44:52,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:52,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 05:44:52,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2020-10-14 05:44:52,567 INFO L87 Difference]: Start difference. First operand 401 states and 525 transitions. Second operand 25 states. [2020-10-14 05:44:55,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:55,723 INFO L93 Difference]: Finished difference Result 807 states and 1067 transitions. [2020-10-14 05:44:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 05:44:55,724 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 119 [2020-10-14 05:44:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:55,728 INFO L225 Difference]: With dead ends: 807 [2020-10-14 05:44:55,728 INFO L226 Difference]: Without dead ends: 747 [2020-10-14 05:44:55,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=395, Invalid=3027, Unknown=0, NotChecked=0, Total=3422 [2020-10-14 05:44:55,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2020-10-14 05:44:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 728. [2020-10-14 05:44:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-14 05:44:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 942 transitions. [2020-10-14 05:44:55,791 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 942 transitions. Word has length 119 [2020-10-14 05:44:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:55,792 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 942 transitions. [2020-10-14 05:44:55,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 05:44:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 942 transitions. [2020-10-14 05:44:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 05:44:55,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:55,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:55,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-14 05:44:55,794 INFO L427 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:55,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:55,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1427706621, now seen corresponding path program 1 times [2020-10-14 05:44:55,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:55,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754377231] [2020-10-14 05:44:55,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:55,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:55,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-14 05:44:56,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-14 05:44:56,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 05:44:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:56,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:56,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:44:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:44:56,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:44:56,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:44:56,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:56,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:56,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:56,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:44:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:44:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 05:44:56,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 05:44:56,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:56,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 05:44:56,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:44:56,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:44:56,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:56,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:44:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:56,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:44:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 05:44:56,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:44:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:44:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:56,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:56,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:56,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 05:44:56,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754377231] [2020-10-14 05:44:56,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:56,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:44:56,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042541646] [2020-10-14 05:44:56,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:44:56,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:56,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:44:56,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:44:56,682 INFO L87 Difference]: Start difference. First operand 728 states and 942 transitions. Second operand 15 states. [2020-10-14 05:44:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:44:57,559 INFO L93 Difference]: Finished difference Result 1043 states and 1441 transitions. [2020-10-14 05:44:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:44:57,560 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 122 [2020-10-14 05:44:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:44:57,564 INFO L225 Difference]: With dead ends: 1043 [2020-10-14 05:44:57,564 INFO L226 Difference]: Without dead ends: 984 [2020-10-14 05:44:57,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:44:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-10-14 05:44:57,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 710. [2020-10-14 05:44:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2020-10-14 05:44:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 920 transitions. [2020-10-14 05:44:57,659 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 920 transitions. Word has length 122 [2020-10-14 05:44:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:44:57,660 INFO L479 AbstractCegarLoop]: Abstraction has 710 states and 920 transitions. [2020-10-14 05:44:57,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:44:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 920 transitions. [2020-10-14 05:44:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 05:44:57,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:44:57,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:44:57,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-14 05:44:57,663 INFO L427 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:44:57,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:44:57,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1237697236, now seen corresponding path program 1 times [2020-10-14 05:44:57,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:44:57,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810348146] [2020-10-14 05:44:57,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:44:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:57,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-14 05:44:58,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-14 05:44:58,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 05:44:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 05:44:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 05:44:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:58,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:44:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:58,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:44:58,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:44:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:58,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:58,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:58,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:44:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:58,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:58,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:58,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 05:44:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:58,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 05:44:58,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-14 05:44:58,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 05:44:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 05:44:58,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:58,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 05:44:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:58,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 05:44:58,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 05:44:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:58,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:58,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:58,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 05:44:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:44:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:44:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:44:59,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:59,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:44:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:59,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:59,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:44:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:44:59,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:59,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:44:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:44:59,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:44:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:44:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:44:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:44:59,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:44:59,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:44:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:44:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:44:59,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:44:59,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:44:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:44:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:44:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:44:59,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:44:59,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:44:59,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:44:59,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:44:59,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:44:59,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:44:59,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:44:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:44:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:44:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:44:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:44:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:44:59,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810348146] [2020-10-14 05:44:59,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:44:59,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-14 05:44:59,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614402749] [2020-10-14 05:44:59,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 05:44:59,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:44:59,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 05:44:59,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2020-10-14 05:44:59,239 INFO L87 Difference]: Start difference. First operand 710 states and 920 transitions. Second operand 25 states. [2020-10-14 05:45:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:03,616 INFO L93 Difference]: Finished difference Result 735 states and 956 transitions. [2020-10-14 05:45:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 05:45:03,617 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 119 [2020-10-14 05:45:03,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:03,619 INFO L225 Difference]: With dead ends: 735 [2020-10-14 05:45:03,619 INFO L226 Difference]: Without dead ends: 673 [2020-10-14 05:45:03,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=374, Invalid=2596, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 05:45:03,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2020-10-14 05:45:03,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 334. [2020-10-14 05:45:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-10-14 05:45:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 422 transitions. [2020-10-14 05:45:03,667 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 422 transitions. Word has length 119 [2020-10-14 05:45:03,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:03,668 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 422 transitions. [2020-10-14 05:45:03,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 05:45:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 422 transitions. [2020-10-14 05:45:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 05:45:03,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:03,669 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:45:03,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-14 05:45:03,670 INFO L427 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:03,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:03,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1256855655, now seen corresponding path program 1 times [2020-10-14 05:45:03,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:03,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573410937] [2020-10-14 05:45:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:03,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:04,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:04,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:04,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 05:45:05,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:45:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1341 [2020-10-14 05:45:05,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-14 05:45:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:45:05,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:05,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:05,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:45:05,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:05,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:05,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 05:45:05,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:45:05,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-10-14 05:45:05,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 05:45:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:45:05,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:05,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:05,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 05:45:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:45:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:05,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:05,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 05:45:05,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:05,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:05,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:05,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:05,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:05,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:05,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:05,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:05,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:05,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:05,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:05,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-14 05:45:05,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573410937] [2020-10-14 05:45:05,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:05,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:45:05,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990052906] [2020-10-14 05:45:05,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:45:05,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:05,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:45:05,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:45:05,923 INFO L87 Difference]: Start difference. First operand 334 states and 422 transitions. Second operand 15 states. [2020-10-14 05:45:06,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:06,736 INFO L93 Difference]: Finished difference Result 371 states and 474 transitions. [2020-10-14 05:45:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:06,737 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 163 [2020-10-14 05:45:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:06,739 INFO L225 Difference]: With dead ends: 371 [2020-10-14 05:45:06,739 INFO L226 Difference]: Without dead ends: 360 [2020-10-14 05:45:06,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:45:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-14 05:45:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 336. [2020-10-14 05:45:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-14 05:45:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 424 transitions. [2020-10-14 05:45:06,783 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 424 transitions. Word has length 163 [2020-10-14 05:45:06,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:06,783 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 424 transitions. [2020-10-14 05:45:06,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:45:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 424 transitions. [2020-10-14 05:45:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 05:45:06,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:06,785 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:45:06,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-14 05:45:06,786 INFO L427 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:06,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:06,786 INFO L82 PathProgramCache]: Analyzing trace with hash -93034842, now seen corresponding path program 1 times [2020-10-14 05:45:06,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:06,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262445183] [2020-10-14 05:45:06,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:06,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:07,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:07,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 05:45:11,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:45:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4259 [2020-10-14 05:45:11,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:45:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-14 05:45:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 05:45:11,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:11,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:11,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:11,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:11,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:11,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:11,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:11,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:45:11,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:11,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:11,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:11,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:11,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:11,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:11,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:11,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:11,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:11,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:11,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:11,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:11,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:11,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:11,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:11,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:11,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 05:45:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:12,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:12,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:12,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:12,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:12,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:12,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 05:45:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:12,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:12,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:45:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:45:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:45:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:12,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:45:12,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:45:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 05:45:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:12,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:12,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:12,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:12,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:12,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 05:45:12,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262445183] [2020-10-14 05:45:12,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:12,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:45:12,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936837028] [2020-10-14 05:45:12,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:45:12,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:12,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:45:12,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:45:12,648 INFO L87 Difference]: Start difference. First operand 336 states and 424 transitions. Second operand 12 states. [2020-10-14 05:45:13,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:13,032 INFO L93 Difference]: Finished difference Result 353 states and 447 transitions. [2020-10-14 05:45:13,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:45:13,033 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2020-10-14 05:45:13,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:13,034 INFO L225 Difference]: With dead ends: 353 [2020-10-14 05:45:13,035 INFO L226 Difference]: Without dead ends: 342 [2020-10-14 05:45:13,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:45:13,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-14 05:45:13,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 336. [2020-10-14 05:45:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-14 05:45:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 422 transitions. [2020-10-14 05:45:13,066 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 422 transitions. Word has length 163 [2020-10-14 05:45:13,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:13,066 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 422 transitions. [2020-10-14 05:45:13,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:45:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 422 transitions. [2020-10-14 05:45:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-14 05:45:13,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:13,067 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 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] [2020-10-14 05:45:13,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-14 05:45:13,068 INFO L427 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1532029030, now seen corresponding path program 1 times [2020-10-14 05:45:13,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:13,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168541377] [2020-10-14 05:45:13,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:13,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:13,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1465 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:45:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:14,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:14,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:14,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:14,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:14,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:14,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:14,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:14,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:14,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:14,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:14,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:14,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:14,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 05:45:15,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:45:15,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-14 05:45:15,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 05:45:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:45:15,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:15,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:15,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:15,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:45:15,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 05:45:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 05:45:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:45:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:15,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:15,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:15,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:15,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:15,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:45:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:15,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:15,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 05:45:15,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168541377] [2020-10-14 05:45:15,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:45:15,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 05:45:15,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817823315] [2020-10-14 05:45:15,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:45:15,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:15,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:45:15,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:45:15,527 INFO L87 Difference]: Start difference. First operand 336 states and 422 transitions. Second operand 15 states. [2020-10-14 05:45:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:16,183 INFO L93 Difference]: Finished difference Result 625 states and 805 transitions. [2020-10-14 05:45:16,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:16,183 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 171 [2020-10-14 05:45:16,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:16,185 INFO L225 Difference]: With dead ends: 625 [2020-10-14 05:45:16,185 INFO L226 Difference]: Without dead ends: 372 [2020-10-14 05:45:16,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:45:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-14 05:45:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 356. [2020-10-14 05:45:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-14 05:45:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 451 transitions. [2020-10-14 05:45:16,218 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 451 transitions. Word has length 171 [2020-10-14 05:45:16,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:16,218 INFO L479 AbstractCegarLoop]: Abstraction has 356 states and 451 transitions. [2020-10-14 05:45:16,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:45:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 451 transitions. [2020-10-14 05:45:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-14 05:45:16,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:16,220 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 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] [2020-10-14 05:45:16,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-14 05:45:16,221 INFO L427 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:16,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:16,221 INFO L82 PathProgramCache]: Analyzing trace with hash 483100041, now seen corresponding path program 1 times [2020-10-14 05:45:16,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:16,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507150437] [2020-10-14 05:45:16,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 05:45:16,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:16,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-14 05:45:16,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-14 05:45:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:16,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:16,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:16,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:16,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:16,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:16,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:16,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:16,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:16,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:16,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:16,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 05:45:16,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 05:45:16,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 05:45:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:16,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:16,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:16,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:16,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:16,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:16,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:16,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:16,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:16,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:17,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:17,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:17,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:17,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:45:17,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:17,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:17,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:17,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:17,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:17,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:17,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:17,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:17,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:17,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:17,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:17,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:17,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:17,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:17,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:17,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:17,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:17,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:17,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:17,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:17,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:17,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:17,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:17,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:17,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 05:45:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:17,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:17,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-14 05:45:17,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507150437] [2020-10-14 05:45:17,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:17,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:45:17,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594823837] [2020-10-14 05:45:17,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:45:17,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:17,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:45:17,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:45:17,085 INFO L87 Difference]: Start difference. First operand 356 states and 451 transitions. Second operand 15 states. [2020-10-14 05:45:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:17,924 INFO L93 Difference]: Finished difference Result 643 states and 817 transitions. [2020-10-14 05:45:17,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:17,925 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 172 [2020-10-14 05:45:17,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:17,927 INFO L225 Difference]: With dead ends: 643 [2020-10-14 05:45:17,927 INFO L226 Difference]: Without dead ends: 421 [2020-10-14 05:45:17,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:45:17,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-14 05:45:17,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 338. [2020-10-14 05:45:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-14 05:45:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 419 transitions. [2020-10-14 05:45:17,973 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 419 transitions. Word has length 172 [2020-10-14 05:45:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:17,973 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 419 transitions. [2020-10-14 05:45:17,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:45:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 419 transitions. [2020-10-14 05:45:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 05:45:17,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:17,976 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 05:45:17,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-14 05:45:17,976 INFO L427 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:17,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:17,976 INFO L82 PathProgramCache]: Analyzing trace with hash -469124130, now seen corresponding path program 1 times [2020-10-14 05:45:17,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:17,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083029384] [2020-10-14 05:45:17,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:18,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:18,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:18,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:18,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 05:45:19,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:45:19,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1480 [2020-10-14 05:45:19,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:45:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-14 05:45:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:45:19,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:19,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:19,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:19,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:19,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:19,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:19,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:19,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:19,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:19,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:19,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:19,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:19,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:19,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:19,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:19,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 05:45:20,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:45:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:20,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:20,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:20,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:20,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:20,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:20,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:20,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 05:45:20,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:20,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:20,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:45:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:20,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 05:45:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:45:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:20,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:20,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-14 05:45:20,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083029384] [2020-10-14 05:45:20,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:45:20,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 05:45:20,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769731474] [2020-10-14 05:45:20,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 05:45:20,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:20,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 05:45:20,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:45:20,816 INFO L87 Difference]: Start difference. First operand 338 states and 419 transitions. Second operand 16 states. [2020-10-14 05:45:21,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:21,455 INFO L93 Difference]: Finished difference Result 604 states and 751 transitions. [2020-10-14 05:45:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:45:21,455 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 204 [2020-10-14 05:45:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:21,459 INFO L225 Difference]: With dead ends: 604 [2020-10-14 05:45:21,459 INFO L226 Difference]: Without dead ends: 388 [2020-10-14 05:45:21,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-10-14 05:45:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-14 05:45:21,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 346. [2020-10-14 05:45:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-14 05:45:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 429 transitions. [2020-10-14 05:45:21,505 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 429 transitions. Word has length 204 [2020-10-14 05:45:21,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:21,506 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 429 transitions. [2020-10-14 05:45:21,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 05:45:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 429 transitions. [2020-10-14 05:45:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 05:45:21,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:21,508 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 05:45:21,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-14 05:45:21,508 INFO L427 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:21,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:21,509 INFO L82 PathProgramCache]: Analyzing trace with hash -342215915, now seen corresponding path program 2 times [2020-10-14 05:45:21,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:21,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145866714] [2020-10-14 05:45:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:22,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:22,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:22,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1882 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:45:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:23,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:23,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:23,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:23,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:23,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:23,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:23,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:23,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:23,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:23,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:23,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 05:45:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:45:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:24,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:24,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:24,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:24,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:24,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:24,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:24,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:24,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:24,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:24,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:24,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:24,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 05:45:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:24,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:24,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 05:45:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:24,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:24,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:45:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:24,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:24,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:24,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:24,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:24,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:24,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:24,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:24,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:24,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:24,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-10-14 05:45:24,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145866714] [2020-10-14 05:45:24,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:45:24,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 05:45:24,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079754743] [2020-10-14 05:45:24,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 05:45:24,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:24,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 05:45:24,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:45:24,567 INFO L87 Difference]: Start difference. First operand 346 states and 429 transitions. Second operand 16 states. [2020-10-14 05:45:25,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:25,247 INFO L93 Difference]: Finished difference Result 578 states and 712 transitions. [2020-10-14 05:45:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 05:45:25,248 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 205 [2020-10-14 05:45:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:25,250 INFO L225 Difference]: With dead ends: 578 [2020-10-14 05:45:25,250 INFO L226 Difference]: Without dead ends: 356 [2020-10-14 05:45:25,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-10-14 05:45:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-10-14 05:45:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 346. [2020-10-14 05:45:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-14 05:45:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 427 transitions. [2020-10-14 05:45:25,285 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 427 transitions. Word has length 205 [2020-10-14 05:45:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:25,286 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 427 transitions. [2020-10-14 05:45:25,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 05:45:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 427 transitions. [2020-10-14 05:45:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 05:45:25,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:25,288 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 05:45:25,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-14 05:45:25,288 INFO L427 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:25,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:25,288 INFO L82 PathProgramCache]: Analyzing trace with hash 336725440, now seen corresponding path program 1 times [2020-10-14 05:45:25,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:25,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808125148] [2020-10-14 05:45:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:25,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:25,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:25,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 781 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 05:45:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:26,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:26,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:26,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:26,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:26,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 05:45:26,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:26,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:26,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:45:26,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:26,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:26,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:26,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:26,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:26,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:45:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 05:45:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:26,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:26,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:26,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:26,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:26,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:26,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:26,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:26,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:26,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:26,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-10-14 05:45:27,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808125148] [2020-10-14 05:45:27,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:27,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 05:45:27,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333656866] [2020-10-14 05:45:27,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 05:45:27,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 05:45:27,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:45:27,019 INFO L87 Difference]: Start difference. First operand 346 states and 427 transitions. Second operand 12 states. [2020-10-14 05:45:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:27,425 INFO L93 Difference]: Finished difference Result 373 states and 461 transitions. [2020-10-14 05:45:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:45:27,426 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 207 [2020-10-14 05:45:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:27,428 INFO L225 Difference]: With dead ends: 373 [2020-10-14 05:45:27,428 INFO L226 Difference]: Without dead ends: 358 [2020-10-14 05:45:27,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:45:27,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-10-14 05:45:27,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 346. [2020-10-14 05:45:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-14 05:45:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 423 transitions. [2020-10-14 05:45:27,460 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 423 transitions. Word has length 207 [2020-10-14 05:45:27,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:27,460 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 423 transitions. [2020-10-14 05:45:27,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 05:45:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 423 transitions. [2020-10-14 05:45:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 05:45:27,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:27,463 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 05:45:27,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-14 05:45:27,463 INFO L427 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:27,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:27,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1430817028, now seen corresponding path program 1 times [2020-10-14 05:45:27,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:27,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292925637] [2020-10-14 05:45:27,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:27,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:27,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 244 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:45:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:28,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:28,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:28,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:28,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:28,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:45:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:28,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:28,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:28,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:28,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:28,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:28,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:28,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:28,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:28,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:45:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:28,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:28,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 05:45:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:28,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:28,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:45:28,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:28,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:28,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:28,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:28,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:45:28,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:28,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:28,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:28,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:28,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:28,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:28,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:28,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:29,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:29,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:29,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:29,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:29,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:29,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-14 05:45:29,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292925637] [2020-10-14 05:45:29,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:29,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:45:29,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699967754] [2020-10-14 05:45:29,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:45:29,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:29,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:45:29,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:45:29,041 INFO L87 Difference]: Start difference. First operand 346 states and 423 transitions. Second operand 15 states. [2020-10-14 05:45:29,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:29,693 INFO L93 Difference]: Finished difference Result 369 states and 453 transitions. [2020-10-14 05:45:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:29,693 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 207 [2020-10-14 05:45:29,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:29,695 INFO L225 Difference]: With dead ends: 369 [2020-10-14 05:45:29,695 INFO L226 Difference]: Without dead ends: 352 [2020-10-14 05:45:29,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:45:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-10-14 05:45:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 342. [2020-10-14 05:45:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-10-14 05:45:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 417 transitions. [2020-10-14 05:45:29,733 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 417 transitions. Word has length 207 [2020-10-14 05:45:29,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:29,733 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 417 transitions. [2020-10-14 05:45:29,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:45:29,733 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 417 transitions. [2020-10-14 05:45:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 05:45:29,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:29,735 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 05:45:29,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-14 05:45:29,736 INFO L427 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:29,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:29,736 INFO L82 PathProgramCache]: Analyzing trace with hash 200068675, now seen corresponding path program 1 times [2020-10-14 05:45:29,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:29,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177024363] [2020-10-14 05:45:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:29,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 05:45:30,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-14 05:45:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 244 [2020-10-14 05:45:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:30,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:30,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:30,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:45:30,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:30,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:30,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 05:45:30,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 05:45:30,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-14 05:45:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:30,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:30,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:30,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:30,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:45:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 05:45:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:30,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 05:45:30,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:30,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:30,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:30,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:30,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:30,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:30,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-10-14 05:45:30,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177024363] [2020-10-14 05:45:30,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:30,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 05:45:30,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005647662] [2020-10-14 05:45:30,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 05:45:30,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:30,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 05:45:30,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:45:30,684 INFO L87 Difference]: Start difference. First operand 342 states and 417 transitions. Second operand 15 states. [2020-10-14 05:45:31,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:31,430 INFO L93 Difference]: Finished difference Result 359 states and 440 transitions. [2020-10-14 05:45:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:31,430 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 207 [2020-10-14 05:45:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:31,432 INFO L225 Difference]: With dead ends: 359 [2020-10-14 05:45:31,432 INFO L226 Difference]: Without dead ends: 305 [2020-10-14 05:45:31,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:45:31,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-14 05:45:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 294. [2020-10-14 05:45:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-14 05:45:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 340 transitions. [2020-10-14 05:45:31,466 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 340 transitions. Word has length 207 [2020-10-14 05:45:31,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:31,467 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 340 transitions. [2020-10-14 05:45:31,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 05:45:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 340 transitions. [2020-10-14 05:45:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 05:45:31,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:31,468 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-14 05:45:31,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-10-14 05:45:31,469 INFO L427 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:31,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:31,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1765318850, now seen corresponding path program 1 times [2020-10-14 05:45:31,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:31,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145252470] [2020-10-14 05:45:31,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:31,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:31,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:32,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:32,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:32,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2088 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:45:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:33,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:33,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:33,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:33,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:33,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:33,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:33,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:33,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:33,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:34,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:34,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1496 [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-10-14 05:45:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:45:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:35,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:35,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:35,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:35,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:35,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:35,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:35,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:35,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:35,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:35,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:35,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:35,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:35,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 05:45:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 05:45:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:35,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:35,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 05:45:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:35,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:35,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:35,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:35,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-14 05:45:35,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145252470] [2020-10-14 05:45:35,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:35,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-14 05:45:35,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259467619] [2020-10-14 05:45:35,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 05:45:35,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:35,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 05:45:35,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:45:35,529 INFO L87 Difference]: Start difference. First operand 294 states and 340 transitions. Second operand 16 states. [2020-10-14 05:45:36,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:36,075 INFO L93 Difference]: Finished difference Result 311 states and 361 transitions. [2020-10-14 05:45:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:36,076 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 214 [2020-10-14 05:45:36,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:36,078 INFO L225 Difference]: With dead ends: 311 [2020-10-14 05:45:36,078 INFO L226 Difference]: Without dead ends: 300 [2020-10-14 05:45:36,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-10-14 05:45:36,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-14 05:45:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 294. [2020-10-14 05:45:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-14 05:45:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 338 transitions. [2020-10-14 05:45:36,108 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 338 transitions. Word has length 214 [2020-10-14 05:45:36,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:36,108 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 338 transitions. [2020-10-14 05:45:36,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 05:45:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 338 transitions. [2020-10-14 05:45:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 05:45:36,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:36,110 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 3, 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] [2020-10-14 05:45:36,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-10-14 05:45:36,110 INFO L427 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:36,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:36,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1241421763, now seen corresponding path program 1 times [2020-10-14 05:45:36,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:36,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287529251] [2020-10-14 05:45:36,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:36,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:36,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:36,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-14 05:45:37,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:45:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1641 [2020-10-14 05:45:37,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-14 05:45:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:37,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:37,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:37,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:37,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:37,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:37,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:37,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:37,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:37,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:37,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:37,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:37,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:37,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:37,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 05:45:38,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:45:38,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 917 [2020-10-14 05:45:38,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 05:45:38,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:38,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:38,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:38,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:38,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:45:39,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 05:45:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:39,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 05:45:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:45:39,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:39,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 05:45:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 05:45:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:39,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:39,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 05:45:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:39,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:39,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:39,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:39,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:39,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 05:45:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-10-14 05:45:39,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287529251] [2020-10-14 05:45:39,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:45:39,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 05:45:39,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608908541] [2020-10-14 05:45:39,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 05:45:39,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:39,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 05:45:39,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:45:39,136 INFO L87 Difference]: Start difference. First operand 294 states and 338 transitions. Second operand 16 states. [2020-10-14 05:45:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:39,800 INFO L93 Difference]: Finished difference Result 429 states and 488 transitions. [2020-10-14 05:45:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:39,801 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 222 [2020-10-14 05:45:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:39,803 INFO L225 Difference]: With dead ends: 429 [2020-10-14 05:45:39,803 INFO L226 Difference]: Without dead ends: 300 [2020-10-14 05:45:39,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-10-14 05:45:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-14 05:45:39,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 294. [2020-10-14 05:45:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-14 05:45:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 335 transitions. [2020-10-14 05:45:39,834 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 335 transitions. Word has length 222 [2020-10-14 05:45:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:39,835 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 335 transitions. [2020-10-14 05:45:39,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 05:45:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 335 transitions. [2020-10-14 05:45:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-14 05:45:39,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:39,837 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 3, 3, 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] [2020-10-14 05:45:39,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-10-14 05:45:39,837 INFO L427 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:39,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:39,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1553801140, now seen corresponding path program 2 times [2020-10-14 05:45:39,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:39,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101394426] [2020-10-14 05:45:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:39,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:40,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1808 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 257 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:41,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 05:45:41,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:45:41,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:41,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:41,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:41,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:45:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 05:45:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:41,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:41,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:41,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:45:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:41,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 05:45:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:42,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:42,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:45:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:42,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:42,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:42,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:42,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:42,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:42,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:42,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 05:45:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 05:45:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 05:45:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:42,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:42,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 05:45:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:45:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:42,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:42,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 05:45:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:42,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:42,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:42,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2020-10-14 05:45:42,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101394426] [2020-10-14 05:45:42,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:45:42,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 05:45:42,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958650253] [2020-10-14 05:45:42,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 05:45:42,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:42,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 05:45:42,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:45:42,947 INFO L87 Difference]: Start difference. First operand 294 states and 335 transitions. Second operand 16 states. [2020-10-14 05:45:43,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:43,495 INFO L93 Difference]: Finished difference Result 399 states and 445 transitions. [2020-10-14 05:45:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:43,496 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2020-10-14 05:45:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:43,498 INFO L225 Difference]: With dead ends: 399 [2020-10-14 05:45:43,498 INFO L226 Difference]: Without dead ends: 270 [2020-10-14 05:45:43,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-10-14 05:45:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-14 05:45:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 252. [2020-10-14 05:45:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-14 05:45:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 278 transitions. [2020-10-14 05:45:43,539 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 278 transitions. Word has length 223 [2020-10-14 05:45:43,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:43,539 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 278 transitions. [2020-10-14 05:45:43,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 05:45:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 278 transitions. [2020-10-14 05:45:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 05:45:43,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:45:43,541 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:45:43,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-10-14 05:45:43,542 INFO L427 AbstractCegarLoop]: === Iteration 56 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:45:43,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:45:43,542 INFO L82 PathProgramCache]: Analyzing trace with hash 724735101, now seen corresponding path program 1 times [2020-10-14 05:45:43,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:45:43,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972368582] [2020-10-14 05:45:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:45:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:43,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:43,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:43,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:43,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-14 05:45:43,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-14 05:45:43,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:43,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 05:45:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:43,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:45:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:45:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:45:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:45:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:45:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:44,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:44,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:44,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 05:45:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:45:44,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 05:45:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:45:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:45:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:44,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:45:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:44,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:45:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:45:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:44,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:45:44,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 05:45:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 05:45:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:44,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 05:45:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:45:44,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:45:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:45:44,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:45:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:45:44,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:45:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:45:44,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:45:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:45:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:45:44,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:45:44,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:45:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 05:45:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:45:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:45:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:45:44,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:45:44,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:45:44,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:45:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-10-14 05:45:44,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972368582] [2020-10-14 05:45:44,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:45:44,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-14 05:45:44,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224568947] [2020-10-14 05:45:44,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 05:45:44,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:45:44,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 05:45:44,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:45:44,590 INFO L87 Difference]: Start difference. First operand 252 states and 278 transitions. Second operand 16 states. [2020-10-14 05:45:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:45:45,127 INFO L93 Difference]: Finished difference Result 260 states and 286 transitions. [2020-10-14 05:45:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:45:45,128 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 234 [2020-10-14 05:45:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:45:45,129 INFO L225 Difference]: With dead ends: 260 [2020-10-14 05:45:45,129 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 05:45:45,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-10-14 05:45:45,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 05:45:45,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 05:45:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 05:45:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 05:45:45,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2020-10-14 05:45:45,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:45:45,132 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 05:45:45,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 05:45:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 05:45:45,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 05:45:45,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-10-14 05:45:45,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 05:45:45,468 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2020-10-14 05:45:45,578 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2020-10-14 05:45:47,896 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,119 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,293 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,448 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,582 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,713 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,844 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:48,964 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:49,080 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-10-14 05:45:49,406 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 128 [2020-10-14 05:45:49,522 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 128 [2020-10-14 05:45:49,640 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 128 [2020-10-14 05:45:49,845 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 129 [2020-10-14 05:45:53,681 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 156 [2020-10-14 05:45:54,504 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 157 [2020-10-14 05:45:54,711 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 156 [2020-10-14 05:45:54,895 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 154 [2020-10-14 05:45:55,096 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 156 [2020-10-14 05:45:55,573 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 156 [2020-10-14 05:45:59,122 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2020-10-14 05:45:59,638 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 157 [2020-10-14 05:45:59,976 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2020-10-14 05:46:00,850 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 188 [2020-10-14 05:46:01,591 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 180 [2020-10-14 05:46:02,384 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 180 [2020-10-14 05:46:04,920 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2020-10-14 05:46:05,431 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 157 [2020-10-14 05:46:05,771 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2020-10-14 05:46:06,642 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 188 [2020-10-14 05:46:07,398 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 180 [2020-10-14 05:46:08,160 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 180 [2020-10-14 05:46:09,181 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-10-14 05:46:09,651 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2020-10-14 05:46:10,313 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 68 [2020-10-14 05:46:10,682 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2020-10-14 05:46:10,815 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 1 [2020-10-14 05:46:11,078 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-10-14 05:46:11,822 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 78 [2020-10-14 05:46:12,368 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 75 [2020-10-14 05:46:13,415 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2020-10-14 05:46:13,827 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2020-10-14 05:46:14,480 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2020-10-14 05:46:14,658 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-10-14 05:46:15,086 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2020-10-14 05:46:15,414 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2020-10-14 05:46:16,641 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 193 DAG size of output: 96 [2020-10-14 05:46:17,372 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 68 [2020-10-14 05:46:17,583 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-14 05:46:17,722 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-10-14 05:46:18,476 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2020-10-14 05:46:19,213 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2020-10-14 05:46:19,541 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 73 [2020-10-14 05:46:19,939 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2020-10-14 05:46:20,177 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2020-10-14 05:46:20,506 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2020-10-14 05:46:20,838 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2020-10-14 05:46:21,095 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-14 05:46:21,426 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2020-10-14 05:46:24,186 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 252 DAG size of output: 110 [2020-10-14 05:46:24,404 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 89 [2020-10-14 05:46:25,758 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 193 DAG size of output: 96 [2020-10-14 05:46:26,046 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58