/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/recursive-simple/fibo_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:31:44,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:31:44,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:31:44,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:31:44,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:31:44,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:31:44,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:31:44,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:31:44,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:31:44,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:31:44,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:31:44,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:31:44,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:31:44,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:31:44,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:31:44,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:31:44,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:31:44,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:31:44,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:31:44,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:31:44,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:31:44,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:31:44,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:31:44,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:31:44,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:31:44,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:31:44,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:31:44,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:31:44,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:31:44,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:31:44,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:31:44,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:31:44,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:31:44,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:31:44,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:31:44,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:31:44,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:31:44,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:31:44,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:31:44,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:31:44,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:31:44,184 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 07:31:44,223 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:31:44,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:31:44,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:31:44,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:31:44,227 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:31:44,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:31:44,228 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:31:44,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:31:44,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:31:44,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:31:44,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:31:44,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:31:44,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:31:44,230 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:31:44,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:31:44,231 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:31:44,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:31:44,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:31:44,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:31:44,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:31:44,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:31:44,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:31:44,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:31:44,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:31:44,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:31:44,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:31:44,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:31:44,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:31:44,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:31:44,234 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 07:31:44,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:31:44,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:31:44,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:31:44,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:31:44,602 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:31:44,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-14 07:31:44,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3446e82d/0b60fb3fadc241678b0ed88541a31c19/FLAGfc654bfa4 [2020-10-14 07:31:45,089 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:31:45,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-14 07:31:45,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3446e82d/0b60fb3fadc241678b0ed88541a31c19/FLAGfc654bfa4 [2020-10-14 07:31:45,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3446e82d/0b60fb3fadc241678b0ed88541a31c19 [2020-10-14 07:31:45,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:31:45,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:31:45,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:31:45,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:31:45,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:31:45,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19266158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45, skipping insertion in model container [2020-10-14 07:31:45,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:31:45,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:31:45,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:31:45,728 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:31:45,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:31:45,758 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:31:45,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45 WrapperNode [2020-10-14 07:31:45,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:31:45,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:31:45,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:31:45,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:31:45,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (1/1) ... [2020-10-14 07:31:45,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:31:45,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:31:45,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:31:45,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:31:45,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (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 07:31:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:31:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:31:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-14 07:31:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-14 07:31:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:31:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:31:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:31:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-14 07:31:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-14 07:31:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:31:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:31:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:31:46,140 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:31:46,141 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 07:31:46,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:31:46 BoogieIcfgContainer [2020-10-14 07:31:46,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:31:46,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:31:46,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:31:46,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:31:46,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:31:45" (1/3) ... [2020-10-14 07:31:46,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc94d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:31:46, skipping insertion in model container [2020-10-14 07:31:46,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:31:45" (2/3) ... [2020-10-14 07:31:46,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc94d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:31:46, skipping insertion in model container [2020-10-14 07:31:46,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:31:46" (3/3) ... [2020-10-14 07:31:46,154 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-10-14 07:31:46,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:31:46,175 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:31:46,195 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:31:46,224 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:31:46,225 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:31:46,225 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:31:46,225 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:31:46,225 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:31:46,225 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:31:46,225 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:31:46,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:31:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-14 07:31:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 07:31:46,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:46,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:46,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:46,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-14 07:31:46,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:46,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15986471] [2020-10-14 07:31:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:31:46,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:46,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 07:31:46,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:31:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:46,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:31:46,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:31:46,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:46,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:31:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:46,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 07:31:46,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:31:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:31:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:46,619 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 07:31:46,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15986471] [2020-10-14 07:31:46,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:31:46,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:31:46,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658097809] [2020-10-14 07:31:46,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:31:46,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:46,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:31:46,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:31:46,643 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-14 07:31:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:46,754 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-14 07:31:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:31:46,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-14 07:31:46,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:46,768 INFO L225 Difference]: With dead ends: 44 [2020-10-14 07:31:46,768 INFO L226 Difference]: Without dead ends: 30 [2020-10-14 07:31:46,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:31:46,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-14 07:31:46,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-14 07:31:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:31:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-14 07:31:46,818 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-14 07:31:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:46,818 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-14 07:31:46,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:31:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-14 07:31:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-14 07:31:46,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:46,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:46,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:31:46,822 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:46,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:46,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-14 07:31:46,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:46,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252512242] [2020-10-14 07:31:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 07:31:46,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 07:31:46,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:31:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:31:46,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:46,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:46,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:46,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:46,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:31:46,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:46,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:46,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:46,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:47,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:47,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:47,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 07:31:47,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:47,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:31:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:31:47,095 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 07:31:47,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252512242] [2020-10-14 07:31:47,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:31:47,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:31:47,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629744755] [2020-10-14 07:31:47,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:31:47,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:47,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:31:47,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:31:47,099 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-14 07:31:47,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:47,157 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-14 07:31:47,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:31:47,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-14 07:31:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:47,160 INFO L225 Difference]: With dead ends: 36 [2020-10-14 07:31:47,160 INFO L226 Difference]: Without dead ends: 32 [2020-10-14 07:31:47,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:31:47,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-14 07:31:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-14 07:31:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:31:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-14 07:31:47,171 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-14 07:31:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:47,171 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-14 07:31:47,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:31:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-14 07:31:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-14 07:31:47,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:47,173 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:47,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:31:47,174 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:47,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:47,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-14 07:31:47,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:47,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467471113] [2020-10-14 07:31:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:47,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:47,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:31:47,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:31:47,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-14 07:31:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:47,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 07:31:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:47,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:47,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:47,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:47,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:47,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:47,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:31:47,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:31:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 07:31:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:47,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:31:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:47,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:47,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:47,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:31:47,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:47,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:47,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:31:47,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:31:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:47,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:47,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:31:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:47,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:31:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 07:31:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:31:48,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467471113] [2020-10-14 07:31:48,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:31:48,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:31:48,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329179078] [2020-10-14 07:31:48,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:31:48,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:48,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:31:48,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:31:48,016 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-14 07:31:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:48,176 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-14 07:31:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:31:48,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-14 07:31:48,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:48,179 INFO L225 Difference]: With dead ends: 41 [2020-10-14 07:31:48,179 INFO L226 Difference]: Without dead ends: 37 [2020-10-14 07:31:48,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:31:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-14 07:31:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-14 07:31:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:31:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:31:48,191 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-14 07:31:48,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:48,192 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:31:48,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:31:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:31:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-14 07:31:48,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:48,194 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:48,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:31:48,195 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:48,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:48,196 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-14 07:31:48,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:48,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44568043] [2020-10-14 07:31:48,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:48,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:31:48,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:31:48,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 07:31:48,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:48,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:31:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:48,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:48,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:48,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:48,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:48,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:48,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:48,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:48,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:31:48,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:31:48,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 07:31:48,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:48,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:31:48,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:48,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:48,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:48,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:48,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:31:48,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:48,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:48,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:48,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:48,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:31:48,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:48,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:48,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:31:48,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44568043] [2020-10-14 07:31:48,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:31:48,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:31:48,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226461635] [2020-10-14 07:31:48,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:31:48,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:48,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:31:48,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:31:48,655 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-14 07:31:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:48,769 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-10-14 07:31:48,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:31:48,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-14 07:31:48,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:48,771 INFO L225 Difference]: With dead ends: 42 [2020-10-14 07:31:48,771 INFO L226 Difference]: Without dead ends: 38 [2020-10-14 07:31:48,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:31:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-14 07:31:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2020-10-14 07:31:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:31:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:31:48,781 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 27 [2020-10-14 07:31:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:48,781 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:31:48,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:31:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:31:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 07:31:48,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:48,783 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:31:48,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:31:48,784 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:48,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:48,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-14 07:31:48,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:48,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536526152] [2020-10-14 07:31:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:48,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:48,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:48,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:31:48,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:31:48,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-14 07:31:48,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:48,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:31:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:31:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:49,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:49,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:49,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:49,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:49,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:49,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:49,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:49,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:31:49,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:31:49,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-14 07:31:49,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:49,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:31:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:31:49,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:49,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:49,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:49,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:31:49,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:49,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:31:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:49,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:31:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:49,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:31:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:31:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:49,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:31:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:31:49,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536526152] [2020-10-14 07:31:49,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:31:49,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:31:49,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490257395] [2020-10-14 07:31:49,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:31:49,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:49,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:31:49,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:31:49,329 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-14 07:31:49,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:49,455 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2020-10-14 07:31:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:31:49,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-14 07:31:49,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:49,458 INFO L225 Difference]: With dead ends: 49 [2020-10-14 07:31:49,458 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 07:31:49,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:31:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 07:31:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2020-10-14 07:31:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:31:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:31:49,468 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 28 [2020-10-14 07:31:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:49,468 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:31:49,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:31:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:31:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:31:49,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:49,470 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 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] [2020-10-14 07:31:49,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:31:49,471 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:49,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:49,471 INFO L82 PathProgramCache]: Analyzing trace with hash -910208130, now seen corresponding path program 1 times [2020-10-14 07:31:49,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:49,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146792640] [2020-10-14 07:31:49,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:49,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:49,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:50,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:52,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:54,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 07:31:54,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:31:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:31:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:54,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 07:31:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:54,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:31:54,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:31:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:54,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:31:54,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:54,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:54,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:54,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:54,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:31:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:31:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:54,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:54,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:55,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 07:31:59,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:31:59,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:31:59,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 07:31:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:59,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:31:59,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:31:59,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:31:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:31:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:31:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:31:59,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:31:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:31:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:31:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:31:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:31:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:59,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:31:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:31:59,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:31:59,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:31:59,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 07:31:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:59,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:31:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:59,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:31:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:31:59,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:31:59,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:31:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:31:59,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:31:59,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:31:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:31:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:31:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:31:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:31:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 07:31:59,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146792640] [2020-10-14 07:31:59,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:31:59,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:31:59,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056888867] [2020-10-14 07:31:59,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:31:59,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:31:59,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:31:59,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:31:59,666 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 6 states. [2020-10-14 07:31:59,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:31:59,766 INFO L93 Difference]: Finished difference Result 68 states and 98 transitions. [2020-10-14 07:31:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:31:59,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-14 07:31:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:31:59,770 INFO L225 Difference]: With dead ends: 68 [2020-10-14 07:31:59,770 INFO L226 Difference]: Without dead ends: 39 [2020-10-14 07:31:59,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:31:59,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-14 07:31:59,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-14 07:31:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-14 07:31:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-14 07:31:59,788 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 52 [2020-10-14 07:31:59,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:31:59,789 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-14 07:31:59,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:31:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-14 07:31:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 07:31:59,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:31:59,793 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 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] [2020-10-14 07:31:59,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:31:59,794 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:31:59,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:31:59,794 INFO L82 PathProgramCache]: Analyzing trace with hash 794281190, now seen corresponding path program 1 times [2020-10-14 07:31:59,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:31:59,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057207840] [2020-10-14 07:31:59,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:31:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:31:59,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:31:59,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:00,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:00,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:02,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:02,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:03,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:03,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:04,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:04,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 07:32:04,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:32:04,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:32:04,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:04,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:32:04,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:04,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:04,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:04,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:04,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:04,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:04,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:04,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:04,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:32:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:04,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:04,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:04,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:04,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:04,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:05,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:05,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:05,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:09,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:09,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:32:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:32:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:32:09,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:09,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:09,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 07:32:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:32:09,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:09,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:09,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:09,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:09,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:09,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 07:32:09,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:09,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:09,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:09,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:09,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:09,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:09,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:09,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:09,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:09,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:09,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:09,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:09,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:09,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:09,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:09,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:32:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:09,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:32:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:10,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:10,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:10,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:10,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:10,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:10,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:10,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 07:32:10,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057207840] [2020-10-14 07:32:10,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:10,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 07:32:10,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902570320] [2020-10-14 07:32:10,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:32:10,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:10,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:32:10,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:32:10,020 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-14 07:32:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:10,148 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-14 07:32:10,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:32:10,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-14 07:32:10,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:10,151 INFO L225 Difference]: With dead ends: 52 [2020-10-14 07:32:10,151 INFO L226 Difference]: Without dead ends: 48 [2020-10-14 07:32:10,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:32:10,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-14 07:32:10,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2020-10-14 07:32:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-14 07:32:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 52 transitions. [2020-10-14 07:32:10,161 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 52 transitions. Word has length 54 [2020-10-14 07:32:10,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:10,161 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 52 transitions. [2020-10-14 07:32:10,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:32:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2020-10-14 07:32:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 07:32:10,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:10,164 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 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] [2020-10-14 07:32:10,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:32:10,164 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:10,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:10,164 INFO L82 PathProgramCache]: Analyzing trace with hash 151318536, now seen corresponding path program 2 times [2020-10-14 07:32:10,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:10,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222318548] [2020-10-14 07:32:10,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:10,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:10,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:15,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 07:32:15,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:32:15,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:32:15,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:15,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 07:32:15,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:15,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:15,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:15,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:15,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:15,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:15,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:15,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:32:17,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:32:17,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2229 [2020-10-14 07:32:17,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 07:32:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:17,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:32:17,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 07:32:17,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:17,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:17,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:17,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:17,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:17,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:17,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 07:32:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:17,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 07:32:17,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:17,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:32:17,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:17,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:17,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:17,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:17,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:17,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 07:32:17,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222318548] [2020-10-14 07:32:17,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:17,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:32:17,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358874229] [2020-10-14 07:32:17,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:32:17,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:17,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:32:17,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:32:17,698 INFO L87 Difference]: Start difference. First operand 40 states and 52 transitions. Second operand 9 states. [2020-10-14 07:32:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:17,851 INFO L93 Difference]: Finished difference Result 64 states and 99 transitions. [2020-10-14 07:32:17,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:32:17,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-10-14 07:32:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:17,854 INFO L225 Difference]: With dead ends: 64 [2020-10-14 07:32:17,854 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 07:32:17,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:32:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 07:32:17,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 45. [2020-10-14 07:32:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-14 07:32:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2020-10-14 07:32:17,865 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 55 [2020-10-14 07:32:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:17,866 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2020-10-14 07:32:17,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:32:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2020-10-14 07:32:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-14 07:32:17,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:17,868 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:17,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:32:17,868 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1316787934, now seen corresponding path program 1 times [2020-10-14 07:32:17,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:17,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944303259] [2020-10-14 07:32:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:17,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:17,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:18,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:22,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 07:32:22,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:22,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:22,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:22,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:22,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:22,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:22,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:22,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:22,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:22,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:27,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:32:27,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:32:27,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:32:27,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:27,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 07:32:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:27,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:32:28,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:32:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-14 07:32:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:28,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:32:28,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:28,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:28,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:28,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:28,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:32:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:28,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:32:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:32:28,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:32:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-14 07:32:28,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 07:32:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:28,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:32:28,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:32:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:28,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:28,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:28,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:28,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:28,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:28,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:32:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:32:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:28,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:28,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:28,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:28,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:28,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:28,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:28,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:32:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:28,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 07:32:28,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944303259] [2020-10-14 07:32:28,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:28,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:32:28,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888978928] [2020-10-14 07:32:28,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:32:28,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:28,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:32:28,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:32:28,588 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand 6 states. [2020-10-14 07:32:28,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:28,650 INFO L93 Difference]: Finished difference Result 86 states and 137 transitions. [2020-10-14 07:32:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:32:28,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-10-14 07:32:28,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:28,651 INFO L225 Difference]: With dead ends: 86 [2020-10-14 07:32:28,651 INFO L226 Difference]: Without dead ends: 47 [2020-10-14 07:32:28,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:32:28,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-14 07:32:28,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-14 07:32:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-14 07:32:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 65 transitions. [2020-10-14 07:32:28,660 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 65 transitions. Word has length 80 [2020-10-14 07:32:28,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:28,661 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 65 transitions. [2020-10-14 07:32:28,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:32:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2020-10-14 07:32:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 07:32:28,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:28,662 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:28,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:32:28,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:28,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:28,663 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 1 times [2020-10-14 07:32:28,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:28,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574566490] [2020-10-14 07:32:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:28,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:29,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:30,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:30,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:33,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 07:32:33,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:32:33,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:32:33,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:33,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:32:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:32:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:32:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:33,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:33,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:33,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:33,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:33,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:33,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:34,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:38,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:32:38,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 07:32:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:38,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:38,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:38,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:38,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-14 07:32:38,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:38,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:32:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:38,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:38,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:39,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:39,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:39,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:39,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:39,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:39,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:39,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:32:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-14 07:32:39,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:32:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:39,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:39,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:32:39,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:39,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:39,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:39,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:39,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:39,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:39,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 07:32:39,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574566490] [2020-10-14 07:32:39,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:39,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 07:32:39,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241028256] [2020-10-14 07:32:39,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 07:32:39,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:39,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 07:32:39,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:32:39,711 INFO L87 Difference]: Start difference. First operand 47 states and 65 transitions. Second operand 14 states. [2020-10-14 07:32:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:40,173 INFO L93 Difference]: Finished difference Result 142 states and 293 transitions. [2020-10-14 07:32:40,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 07:32:40,174 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 82 [2020-10-14 07:32:40,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:40,177 INFO L225 Difference]: With dead ends: 142 [2020-10-14 07:32:40,178 INFO L226 Difference]: Without dead ends: 101 [2020-10-14 07:32:40,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:32:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-14 07:32:40,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2020-10-14 07:32:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-14 07:32:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 168 transitions. [2020-10-14 07:32:40,197 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 168 transitions. Word has length 82 [2020-10-14 07:32:40,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:40,198 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 168 transitions. [2020-10-14 07:32:40,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 07:32:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 168 transitions. [2020-10-14 07:32:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 07:32:40,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:40,200 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:40,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:32:40,201 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:40,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1687634791, now seen corresponding path program 1 times [2020-10-14 07:32:40,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:40,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674519734] [2020-10-14 07:32:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:40,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:40,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:45,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:32:45,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:32:45,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:45,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:45,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:45,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:45,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:45,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:32:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 07:32:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:50,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:50,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:32:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:50,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:50,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:50,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:50,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:50,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:50,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:50,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:50,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:50,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:50,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:50,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:50,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:50,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:50,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:50,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:50,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:50,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:50,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:50,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:50,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:32:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:50,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:50,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:32:54,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:32:54,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3859 [2020-10-14 07:32:54,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 07:32:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:32:54,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:32:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-14 07:32:54,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 07:32:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:54,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:54,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:54,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:54,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:54,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:54,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:54,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:54,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:54,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:54,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:54,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:54,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:54,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:54,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:54,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:54,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:54,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:32:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:54,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:54,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:54,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 48 proven. 67 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-14 07:32:54,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674519734] [2020-10-14 07:32:54,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:54,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:32:54,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099810625] [2020-10-14 07:32:54,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:32:54,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:54,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:32:54,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:32:54,907 INFO L87 Difference]: Start difference. First operand 92 states and 168 transitions. Second operand 13 states. [2020-10-14 07:32:55,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:55,379 INFO L93 Difference]: Finished difference Result 234 states and 530 transitions. [2020-10-14 07:32:55,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 07:32:55,379 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2020-10-14 07:32:55,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:55,383 INFO L225 Difference]: With dead ends: 234 [2020-10-14 07:32:55,383 INFO L226 Difference]: Without dead ends: 142 [2020-10-14 07:32:55,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:32:55,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-14 07:32:55,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2020-10-14 07:32:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-14 07:32:55,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 227 transitions. [2020-10-14 07:32:55,408 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 227 transitions. Word has length 95 [2020-10-14 07:32:55,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:55,409 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 227 transitions. [2020-10-14 07:32:55,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:32:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 227 transitions. [2020-10-14 07:32:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 07:32:55,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:55,412 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 4, 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] [2020-10-14 07:32:55,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:32:55,412 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:55,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:55,412 INFO L82 PathProgramCache]: Analyzing trace with hash 784840909, now seen corresponding path program 2 times [2020-10-14 07:32:55,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:55,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022698425] [2020-10-14 07:32:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:55,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:55,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:00,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 07:33:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 07:33:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 07:33:00,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:00,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:33:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:33:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 07:33:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:00,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:05,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 07:33:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:33:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:33:05,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:05,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 07:33:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 07:33:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:05,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:05,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:05,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:05,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:05,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:05,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:05,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:05,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:05,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:05,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:05,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:05,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:05,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:05,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:05,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:05,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:05,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:05,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:05,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:05,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:33:05,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:05,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:05,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:05,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:05,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:05,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:05,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:05,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:33:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:05,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:05,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:06,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:33:07,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2228 [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 07:33:07,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:08,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:08,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:33:08,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-14 07:33:08,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:08,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:08,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:08,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:08,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:08,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:08,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:08,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:08,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:08,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:08,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:08,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:08,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:08,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:08,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:08,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:08,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:08,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:08,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:08,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:08,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:08,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:08,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:08,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:08,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:08,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:08,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:33:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-14 07:33:08,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022698425] [2020-10-14 07:33:08,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:08,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:33:08,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619509106] [2020-10-14 07:33:08,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:33:08,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:08,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:33:08,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:33:08,372 INFO L87 Difference]: Start difference. First operand 127 states and 227 transitions. Second operand 10 states. [2020-10-14 07:33:08,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:08,542 INFO L93 Difference]: Finished difference Result 233 states and 463 transitions. [2020-10-14 07:33:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:33:08,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-14 07:33:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:08,546 INFO L225 Difference]: With dead ends: 233 [2020-10-14 07:33:08,546 INFO L226 Difference]: Without dead ends: 110 [2020-10-14 07:33:08,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:33:08,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-14 07:33:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2020-10-14 07:33:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-14 07:33:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 169 transitions. [2020-10-14 07:33:08,563 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 169 transitions. Word has length 94 [2020-10-14 07:33:08,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:08,563 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 169 transitions. [2020-10-14 07:33:08,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:33:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2020-10-14 07:33:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 07:33:08,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:08,566 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:08,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 07:33:08,566 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1891337214, now seen corresponding path program 1 times [2020-10-14 07:33:08,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:08,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114240142] [2020-10-14 07:33:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:08,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:10,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:11,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:13,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 07:33:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:13,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:13,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:13,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:13,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 07:33:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 07:33:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:33:18,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:33:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:33:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:19,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:33:19,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1224 [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:33:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:19,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:20,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:20,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:33:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-10-14 07:33:20,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:20,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:20,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:20,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:20,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:20,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:33:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:33:20,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:20,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:33:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:20,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:33:20,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:20,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:20,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:20,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:20,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:20,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:20,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:20,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:20,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:20,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:20,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:20,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:20,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:20,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:20,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:33:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:20,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:33:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1665 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:33:22,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:22,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:22,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-14 07:33:22,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:22,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:22,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:22,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:22,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:22,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:22,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:22,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:22,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:22,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:22,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:22,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 45 proven. 96 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 07:33:22,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114240142] [2020-10-14 07:33:22,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:22,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:33:22,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922733485] [2020-10-14 07:33:22,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:33:22,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:22,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:33:22,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:33:22,453 INFO L87 Difference]: Start difference. First operand 107 states and 169 transitions. Second operand 11 states. [2020-10-14 07:33:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:22,736 INFO L93 Difference]: Finished difference Result 230 states and 414 transitions. [2020-10-14 07:33:22,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 07:33:22,737 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-10-14 07:33:22,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:22,741 INFO L225 Difference]: With dead ends: 230 [2020-10-14 07:33:22,741 INFO L226 Difference]: Without dead ends: 123 [2020-10-14 07:33:22,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:33:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-14 07:33:22,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2020-10-14 07:33:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-14 07:33:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 187 transitions. [2020-10-14 07:33:22,764 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 187 transitions. Word has length 108 [2020-10-14 07:33:22,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:22,764 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 187 transitions. [2020-10-14 07:33:22,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:33:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 187 transitions. [2020-10-14 07:33:22,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 07:33:22,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:22,768 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:22,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 07:33:22,768 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:22,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:22,769 INFO L82 PathProgramCache]: Analyzing trace with hash -709329986, now seen corresponding path program 2 times [2020-10-14 07:33:22,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:22,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282885114] [2020-10-14 07:33:22,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:25,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 07:33:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:33:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:27,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:27,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:27,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:27,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:27,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:27,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:27,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 07:33:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:33:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:32,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:32,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:37,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:33:37,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 07:33:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:33:37,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:37,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:37,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:37,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:37,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:37,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:37,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:38,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:38,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-14 07:33:38,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:38,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:38,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:38,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:38,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:38,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:38,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:38,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:38,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:38,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:38,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:38,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-14 07:33:38,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:38,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:38,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:38,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:38,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:38,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:38,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:38,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:38,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 07:33:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:38,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:41,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:42,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:33:43,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 40 [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:33:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:43,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:33:43,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:43,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:43,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:43,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:43,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:43,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:44,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:45,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:45,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:33:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 992 [2020-10-14 07:33:45,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:45,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:45,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:45,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 07:33:45,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:45,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:45,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:45,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:45,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:45,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:45,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:45,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:45,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:45,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:45,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:45,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:45,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:45,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:45,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:45,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:45,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:45,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:45,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 163 proven. 29 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2020-10-14 07:33:45,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282885114] [2020-10-14 07:33:45,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:45,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:33:45,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607489957] [2020-10-14 07:33:45,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:33:45,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:45,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:33:45,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:33:45,108 INFO L87 Difference]: Start difference. First operand 120 states and 187 transitions. Second operand 10 states. [2020-10-14 07:33:45,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:45,395 INFO L93 Difference]: Finished difference Result 257 states and 449 transitions. [2020-10-14 07:33:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 07:33:45,395 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2020-10-14 07:33:45,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:45,399 INFO L225 Difference]: With dead ends: 257 [2020-10-14 07:33:45,399 INFO L226 Difference]: Without dead ends: 132 [2020-10-14 07:33:45,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2020-10-14 07:33:45,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-14 07:33:45,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 121. [2020-10-14 07:33:45,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-14 07:33:45,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2020-10-14 07:33:45,417 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 160 [2020-10-14 07:33:45,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:45,418 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2020-10-14 07:33:45,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:33:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2020-10-14 07:33:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 07:33:45,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:45,421 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:45,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 07:33:45,421 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:45,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1683140199, now seen corresponding path program 3 times [2020-10-14 07:33:45,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:45,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173700613] [2020-10-14 07:33:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:45,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:46,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:46,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:46,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:46,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:47,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:50,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 07:33:50,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:50,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:50,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:50,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:53,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:55,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 07:33:55,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 07:33:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:33:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:55,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:33:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:33:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:55,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:55,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:56,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:34:00,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:34:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 07:34:00,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:00,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:34:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:34:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 07:34:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:00,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:34:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:00,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:00,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:34:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:00,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:00,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:00,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:00,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:00,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:00,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:00,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:00,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:00,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:00,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:00,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:00,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:34:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:00,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:00,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:00,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:00,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:00,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:00,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:00,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:34:05,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:34:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:34:05,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:05,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:34:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:06,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:34:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:06,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:34:06,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:34:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:34:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:06,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:06,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:06,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:06,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:06,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:06,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:06,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:06,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:06,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:34:06,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:06,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:06,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:06,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:06,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 07:34:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:06,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-14 07:34:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:34:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:34:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:06,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:34:06,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:06,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:06,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:06,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:06,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:06,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:06,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:34:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:34:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 143 proven. 189 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-10-14 07:34:06,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173700613] [2020-10-14 07:34:06,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:34:06,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 07:34:06,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966824917] [2020-10-14 07:34:06,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 07:34:06,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:34:06,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 07:34:06,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:34:06,827 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand 19 states. [2020-10-14 07:34:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:34:07,411 INFO L93 Difference]: Finished difference Result 253 states and 392 transitions. [2020-10-14 07:34:07,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 07:34:07,414 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 150 [2020-10-14 07:34:07,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:34:07,417 INFO L225 Difference]: With dead ends: 253 [2020-10-14 07:34:07,417 INFO L226 Difference]: Without dead ends: 139 [2020-10-14 07:34:07,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=783, Unknown=0, NotChecked=0, Total=930 [2020-10-14 07:34:07,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-14 07:34:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 130. [2020-10-14 07:34:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-14 07:34:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 181 transitions. [2020-10-14 07:34:07,445 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 181 transitions. Word has length 150 [2020-10-14 07:34:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:34:07,445 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 181 transitions. [2020-10-14 07:34:07,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 07:34:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 181 transitions. [2020-10-14 07:34:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 07:34:07,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:34:07,452 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:34:07,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 07:34:07,453 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:34:07,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:34:07,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2066410266, now seen corresponding path program 4 times [2020-10-14 07:34:07,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:34:07,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873439440] [2020-10-14 07:34:07,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:34:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:07,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:07,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:08,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:08,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:08,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:08,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:12,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 07:34:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:12,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:12,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:12,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:12,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:12,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:12,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:12,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:13,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:17,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 07:34:17,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 07:34:17,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 07:34:17,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:17,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-14 07:34:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 07:34:17,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:34:22,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:22,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:22,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:22,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:22,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:22,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:22,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:34:22,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 07:34:22,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:22,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:22,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:22,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 07:34:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:34:27,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:34:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:34:27,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 07:34:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:34:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:34:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 07:34:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:27,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:27,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:27,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:27,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:34:27,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:34:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-14 07:34:27,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:34:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:34:27,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:28,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:28,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:28,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:34:28,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 07:34:28,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:28,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:34:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:34:28,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:28,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:28,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:28,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:34:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:34:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:28,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:34:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:34:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:28,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:28,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:28,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:28,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:28,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:28,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:28,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:28,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:28,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:28,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:28,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 199 proven. 7 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2020-10-14 07:34:28,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873439440] [2020-10-14 07:34:28,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:34:28,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 07:34:28,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760258379] [2020-10-14 07:34:28,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 07:34:28,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:34:28,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 07:34:28,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:34:28,190 INFO L87 Difference]: Start difference. First operand 130 states and 181 transitions. Second operand 12 states. [2020-10-14 07:34:28,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:34:28,401 INFO L93 Difference]: Finished difference Result 240 states and 352 transitions. [2020-10-14 07:34:28,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:34:28,407 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2020-10-14 07:34:28,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:34:28,409 INFO L225 Difference]: With dead ends: 240 [2020-10-14 07:34:28,409 INFO L226 Difference]: Without dead ends: 124 [2020-10-14 07:34:28,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:34:28,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-14 07:34:28,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-10-14 07:34:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-14 07:34:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2020-10-14 07:34:28,428 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 170 transitions. Word has length 163 [2020-10-14 07:34:28,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:34:28,429 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 170 transitions. [2020-10-14 07:34:28,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 07:34:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2020-10-14 07:34:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 07:34:28,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:34:28,432 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:34:28,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 07:34:28,432 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:34:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:34:28,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1446315646, now seen corresponding path program 1 times [2020-10-14 07:34:28,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:34:28,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942916427] [2020-10-14 07:34:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:34:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:28,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:29,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:31,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:31,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:31,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:31,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:33,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 07:34:33,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-14 07:34:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 07:34:33,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:33,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:33,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:33,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:34:33,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 07:34:33,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:33,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:33,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:33,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:33,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:33,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:34,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:34,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:34:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:34:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:38,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:34:43,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 07:34:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:43,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:43,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 07:34:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:34:43,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:43,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:43,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:43,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 07:34:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:44,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:45,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:45,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:48,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:34:48,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 07:34:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:48,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:48,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:48,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:48,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:34:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:48,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:48,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:48,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:34:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:49,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:49,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:49,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:49,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:49,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:49,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:34:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 07:34:49,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:34:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:49,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:49,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:49,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:49,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:49,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:49,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 157 proven. 135 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-14 07:34:49,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942916427] [2020-10-14 07:34:49,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:34:49,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 07:34:49,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364479117] [2020-10-14 07:34:49,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 07:34:49,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:34:49,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 07:34:49,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:34:49,222 INFO L87 Difference]: Start difference. First operand 124 states and 170 transitions. Second operand 15 states. [2020-10-14 07:34:49,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:34:49,607 INFO L93 Difference]: Finished difference Result 238 states and 340 transitions. [2020-10-14 07:34:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 07:34:49,608 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2020-10-14 07:34:49,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:34:49,612 INFO L225 Difference]: With dead ends: 238 [2020-10-14 07:34:49,612 INFO L226 Difference]: Without dead ends: 108 [2020-10-14 07:34:49,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:34:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-14 07:34:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-10-14 07:34:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-14 07:34:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 144 transitions. [2020-10-14 07:34:49,625 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 144 transitions. Word has length 164 [2020-10-14 07:34:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:34:49,626 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 144 transitions. [2020-10-14 07:34:49,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 07:34:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2020-10-14 07:34:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 07:34:49,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:34:49,628 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:34:49,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 07:34:49,628 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:34:49,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:34:49,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 5 times [2020-10-14 07:34:49,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:34:49,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742048536] [2020-10-14 07:34:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:34:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 07:34:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:49,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:49,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:50,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:50,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:34:50,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-14 07:34:50,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:50,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:34:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 07:34:50,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:50,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:50,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:50,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:34:50,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:50,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-14 07:34:50,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:50,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:50,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:34:50,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 07:34:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:50,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:50,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:50,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:50,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:50,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 07:34:50,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:50,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:50,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:34:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 07:34:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:50,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:50,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:50,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:50,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:50,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:34:50,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:50,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:34:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:34:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:50,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:50,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:50,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:50,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:50,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:50,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:50,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:34:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:50,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:50,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:50,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:50,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:50,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:50,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:50,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:50,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:51,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:34:51,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:51,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:34:51,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:51,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:51,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:51,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:34:51,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:51,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:51,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:51,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:51,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:51,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:51,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:34:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:51,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 07:34:51,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:34:51,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:34:51,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:51,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:34:51,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:34:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:34:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:51,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:51,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:34:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:51,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:51,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:51,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:51,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:51,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:51,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:51,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:51,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:34:51,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:51,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:51,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-14 07:34:51,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742048536] [2020-10-14 07:34:51,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:34:51,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 07:34:51,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380877884] [2020-10-14 07:34:51,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 07:34:51,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:34:51,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 07:34:51,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:34:51,387 INFO L87 Difference]: Start difference. First operand 108 states and 144 transitions. Second operand 23 states. [2020-10-14 07:34:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:34:51,713 INFO L93 Difference]: Finished difference Result 123 states and 168 transitions. [2020-10-14 07:34:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 07:34:51,714 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 109 [2020-10-14 07:34:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:34:51,717 INFO L225 Difference]: With dead ends: 123 [2020-10-14 07:34:51,717 INFO L226 Difference]: Without dead ends: 119 [2020-10-14 07:34:51,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-10-14 07:34:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-14 07:34:51,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2020-10-14 07:34:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-14 07:34:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 156 transitions. [2020-10-14 07:34:51,729 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 156 transitions. Word has length 109 [2020-10-14 07:34:51,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:34:51,729 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 156 transitions. [2020-10-14 07:34:51,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 07:34:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2020-10-14 07:34:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 07:34:51,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:34:51,732 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:34:51,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 07:34:51,732 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:34:51,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:34:51,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1340364341, now seen corresponding path program 6 times [2020-10-14 07:34:51,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:34:51,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464926152] [2020-10-14 07:34:51,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:34:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:51,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:52,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:52,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:56,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 07:34:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:56,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:56,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:56,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:57,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:58,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:35:01,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:01,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:01,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:01,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:01,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:01,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:01,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:01,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:01,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:01,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:01,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:01,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:01,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:01,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:01,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:35:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:02,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:35:06,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:35:06,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:06,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:07,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:07,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:35:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:35:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 881 [2020-10-14 07:35:07,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:07,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:35:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:07,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:07,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:07,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:07,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:07,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:08,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:35:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-14 07:35:08,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:35:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:35:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:08,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:08,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:08,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:35:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:08,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:08,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:08,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:08,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:08,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:08,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:08,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:08,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:35:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:35:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:35:08,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:35:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:08,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:35:08,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:35:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:08,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:08,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:08,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:08,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:08,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:08,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 159 proven. 28 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2020-10-14 07:35:08,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464926152] [2020-10-14 07:35:08,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:08,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:35:08,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587069482] [2020-10-14 07:35:08,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:35:08,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:08,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:35:08,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:35:08,152 INFO L87 Difference]: Start difference. First operand 113 states and 156 transitions. Second operand 10 states. [2020-10-14 07:35:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:08,330 INFO L93 Difference]: Finished difference Result 212 states and 303 transitions. [2020-10-14 07:35:08,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:35:08,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-10-14 07:35:08,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:08,332 INFO L225 Difference]: With dead ends: 212 [2020-10-14 07:35:08,332 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 07:35:08,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:35:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 07:35:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-14 07:35:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-14 07:35:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 153 transitions. [2020-10-14 07:35:08,341 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 153 transitions. Word has length 150 [2020-10-14 07:35:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:08,342 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 153 transitions. [2020-10-14 07:35:08,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:35:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-10-14 07:35:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 07:35:08,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:08,344 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:08,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 07:35:08,345 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:08,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1650675485, now seen corresponding path program 7 times [2020-10-14 07:35:08,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:08,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994508813] [2020-10-14 07:35:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:08,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:35:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:35:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:35:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:13,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:13,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:13,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:13,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:13,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:13,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:13,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:35:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:35:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:23,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:35:23,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-14 07:35:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:35:23,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:23,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:35:23,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:23,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:23,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 894 [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:35:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:24,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:35:24,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:35:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:24,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:24,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:24,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:24,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:35:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:24,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:24,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:24,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:24,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:24,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:24,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:35:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:24,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:24,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:26,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:29,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:35:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:29,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:29,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:29,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:29,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:35:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:29,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:29,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:29,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 07:35:29,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:29,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:35:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:29,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:29,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:29,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:29,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:35:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:29,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:29,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:29,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:35:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:29,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:29,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:29,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:29,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:35:29,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:29,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:30,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:30,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-14 07:35:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:30,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:35:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:35:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:30,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:35:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:30,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:30,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:30,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:30,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:30,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:30,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:30,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:35:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:30,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:30,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:30,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:30,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:30,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:30,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:30,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:35:30,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 193 proven. 160 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2020-10-14 07:35:30,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994508813] [2020-10-14 07:35:30,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:30,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 07:35:30,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115556270] [2020-10-14 07:35:30,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 07:35:30,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:30,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 07:35:30,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:35:30,469 INFO L87 Difference]: Start difference. First operand 113 states and 153 transitions. Second operand 19 states. [2020-10-14 07:35:31,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:31,186 INFO L93 Difference]: Finished difference Result 225 states and 336 transitions. [2020-10-14 07:35:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 07:35:31,187 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 150 [2020-10-14 07:35:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:31,189 INFO L225 Difference]: With dead ends: 225 [2020-10-14 07:35:31,189 INFO L226 Difference]: Without dead ends: 123 [2020-10-14 07:35:31,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=882, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 07:35:31,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-14 07:35:31,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2020-10-14 07:35:31,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-14 07:35:31,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 144 transitions. [2020-10-14 07:35:31,201 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 144 transitions. Word has length 150 [2020-10-14 07:35:31,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:31,202 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 144 transitions. [2020-10-14 07:35:31,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 07:35:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2020-10-14 07:35:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-14 07:35:31,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:31,204 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:31,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 07:35:31,205 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:31,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:31,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1988623405, now seen corresponding path program 8 times [2020-10-14 07:35:31,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:31,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739948292] [2020-10-14 07:35:31,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:31,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:31,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:36,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-14 07:35:36,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 07:35:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 07:35:36,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:36,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:35:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:35:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 07:35:36,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:36,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:36,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:36,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:38,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:38,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 07:35:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:41,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:41,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking...