/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:20:29,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:20:29,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:20:29,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:20:29,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:20:29,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:20:29,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:20:29,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:20:29,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:20:29,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:20:29,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:20:29,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:20:29,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:20:29,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:20:29,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:20:29,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:20:29,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:20:29,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:20:29,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:20:29,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:20:29,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:20:29,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:20:29,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:20:29,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:20:29,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:20:29,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:20:29,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:20:29,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:20:29,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:20:29,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:20:29,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:20:29,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:20:29,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:20:29,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:20:29,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:20:29,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:20:29,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:20:29,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:20:29,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:20:29,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:20:29,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:20:29,211 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 [2020-10-28 17:20:29,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:20:29,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:20:29,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:20:29,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:20:29,240 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:20:29,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:20:29,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:20:29,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:20:29,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:20:29,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:20:29,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:20:29,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:20:29,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:20:29,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:20:29,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:20:29,258 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:20:29,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:20:29,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:20:29,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:20:29,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:20:29,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:20:29,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:20:29,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:20:29,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:20:29,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:20:29,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:20:29,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:20:29,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:20:29,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:20:29,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:20:29,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:20:29,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:20:29,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:20:29,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:20:29,759 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:20:29,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-28 17:20:29,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb030a415/0944fec27b8c4012837203679df3437b/FLAGcbb9f83b9 [2020-10-28 17:20:30,550 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:20:30,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-1.c [2020-10-28 17:20:30,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb030a415/0944fec27b8c4012837203679df3437b/FLAGcbb9f83b9 [2020-10-28 17:20:30,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb030a415/0944fec27b8c4012837203679df3437b [2020-10-28 17:20:30,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:20:30,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:20:30,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:20:30,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:20:30,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:20:30,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:20:30" (1/1) ... [2020-10-28 17:20:30,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302bbb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:30, skipping insertion in model container [2020-10-28 17:20:30,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:20:30" (1/1) ... [2020-10-28 17:20:30,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:20:30,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:20:31,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:20:31,150 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:20:31,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:20:31,184 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:20:31,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31 WrapperNode [2020-10-28 17:20:31,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:20:31,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:20:31,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:20:31,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:20:31,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (1/1) ... [2020-10-28 17:20:31,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:20:31,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:20:31,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:20:31,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:20:31,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (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 [2020-10-28 17:20:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:20:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:20:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:20:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-28 17:20:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-28 17:20:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:20:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:20:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:20:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:20:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:20:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:20:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-28 17:20:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-28 17:20:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:20:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:20:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:20:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:20:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:20:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:20:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:20:31,654 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:20:31,655 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 17:20:31,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:20:31 BoogieIcfgContainer [2020-10-28 17:20:31,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:20:31,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:20:31,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:20:31,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:20:31,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:20:30" (1/3) ... [2020-10-28 17:20:31,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274dd105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:20:31, skipping insertion in model container [2020-10-28 17:20:31,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:31" (2/3) ... [2020-10-28 17:20:31,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274dd105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:20:31, skipping insertion in model container [2020-10-28 17:20:31,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:20:31" (3/3) ... [2020-10-28 17:20:31,668 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2020-10-28 17:20:31,684 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:20:31,691 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:20:31,708 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:20:31,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:20:31,773 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:20:31,774 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:20:31,775 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:20:31,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:20:31,775 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:20:31,775 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:20:31,775 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:20:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-28 17:20:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-28 17:20:31,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:31,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:31,816 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:31,822 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-28 17:20:31,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:31,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107576169] [2020-10-28 17:20:31,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:32,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 17:20:32,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-28 17:20:32,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:32,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:32,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 17:20:32,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:32,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:32,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:32,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:32,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:20:32,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:32,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:32,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 17:20:32,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:32,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:20:32,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107576169] [2020-10-28 17:20:32,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:32,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:20:32,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456300774] [2020-10-28 17:20:32,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:20:32,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:32,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:20:32,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:20:32,631 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-28 17:20:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:33,075 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-28 17:20:33,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:20:33,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-28 17:20:33,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:33,089 INFO L225 Difference]: With dead ends: 50 [2020-10-28 17:20:33,089 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:20:33,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:20:33,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:20:33,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-28 17:20:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:20:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:20:33,151 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-28 17:20:33,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:33,151 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:20:33,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:20:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:20:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-28 17:20:33,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:33,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:33,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:20:33,154 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:33,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:33,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-28 17:20:33,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:33,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426110306] [2020-10-28 17:20:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:33,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:33,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:33,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:33,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-28 17:20:33,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:33,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:33,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:33,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:20:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:33,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:33,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:33,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 17:20:33,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:33,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:20:33,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426110306] [2020-10-28 17:20:33,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:33,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:20:33,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375503958] [2020-10-28 17:20:33,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:20:33,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:33,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:20:33,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:20:33,490 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-28 17:20:33,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:33,786 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-28 17:20:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:20:33,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-28 17:20:33,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:33,788 INFO L225 Difference]: With dead ends: 39 [2020-10-28 17:20:33,789 INFO L226 Difference]: Without dead ends: 34 [2020-10-28 17:20:33,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:20:33,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-28 17:20:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-28 17:20:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:20:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:20:33,802 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-28 17:20:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:33,802 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:20:33,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:20:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:20:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 17:20:33,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:33,805 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, 1, 1] [2020-10-28 17:20:33,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:20:33,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:33,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:33,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-28 17:20:33,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:33,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13382539] [2020-10-28 17:20:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:33,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 17:20:34,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-10-28 17:20:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:34,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:20:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:34,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:34,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:34,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:34,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:34,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:34,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:34,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:34,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 17:20:34,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:34,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:20:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:34,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:34,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:34,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:34,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:34,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:34,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:34,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:34,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:20:34,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13382539] [2020-10-28 17:20:34,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:34,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:20:34,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751210961] [2020-10-28 17:20:34,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:34,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:34,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:34,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:34,654 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-28 17:20:35,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:35,138 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-28 17:20:35,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:20:35,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-28 17:20:35,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:35,142 INFO L225 Difference]: With dead ends: 51 [2020-10-28 17:20:35,142 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 17:20:35,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:20:35,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 17:20:35,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-28 17:20:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-28 17:20:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-28 17:20:35,159 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-28 17:20:35,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:35,159 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-28 17:20:35,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-28 17:20:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 17:20:35,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:35,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:35,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:20:35,162 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:35,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:35,163 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-28 17:20:35,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:35,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967865265] [2020-10-28 17:20:35,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:20:35,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-28 17:20:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:20:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:35,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:20:35,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:35,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:35,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-28 17:20:35,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:35,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:35,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:35,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:35,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:35,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:35,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:35,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:35,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:35,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:20:35,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967865265] [2020-10-28 17:20:35,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:35,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:20:35,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561562478] [2020-10-28 17:20:35,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:35,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:35,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:35,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:35,678 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-28 17:20:36,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:36,094 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-28 17:20:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:20:36,094 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-28 17:20:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:36,096 INFO L225 Difference]: With dead ends: 54 [2020-10-28 17:20:36,097 INFO L226 Difference]: Without dead ends: 49 [2020-10-28 17:20:36,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:20:36,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-28 17:20:36,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-28 17:20:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 17:20:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-28 17:20:36,110 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-28 17:20:36,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:36,110 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-28 17:20:36,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-28 17:20:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 17:20:36,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:36,113 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, 1, 1] [2020-10-28 17:20:36,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:20:36,113 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:36,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-28 17:20:36,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:36,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057895546] [2020-10-28 17:20:36,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:36,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:36,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:36,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:36,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-28 17:20:36,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:36,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:36,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:36,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:36,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 17:20:36,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:36,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:36,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:36,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:36,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:36,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-28 17:20:36,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:36,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:36,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:36,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:36,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:36,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:36,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:36,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:36,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:20:36,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:36,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:20:36,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057895546] [2020-10-28 17:20:36,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:36,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:20:36,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794593094] [2020-10-28 17:20:36,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:36,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:36,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:36,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:36,822 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-28 17:20:37,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:37,320 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-28 17:20:37,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:20:37,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-28 17:20:37,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:37,323 INFO L225 Difference]: With dead ends: 65 [2020-10-28 17:20:37,323 INFO L226 Difference]: Without dead ends: 60 [2020-10-28 17:20:37,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:20:37,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-28 17:20:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-28 17:20:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-28 17:20:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-28 17:20:37,346 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-28 17:20:37,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:37,346 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-28 17:20:37,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-28 17:20:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 17:20:37,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:37,350 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, 1, 1] [2020-10-28 17:20:37,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:20:37,350 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:37,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:37,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-28 17:20:37,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:37,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697160765] [2020-10-28 17:20:37,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:37,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:37,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 17:20:42,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:20:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:20:42,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:20:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:42,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:42,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:42,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:42,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:42,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:42,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:20:47,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:20:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:20:47,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 17:20:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:47,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:47,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-28 17:20:47,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:47,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:47,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:47,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:47,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:47,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:47,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:47,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:20:47,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:47,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:47,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:47,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:47,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:20:47,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:47,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:47,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:20:47,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:47,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:47,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:47,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:47,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:47,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:47,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:20:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 17:20:47,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697160765] [2020-10-28 17:20:47,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:47,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:20:47,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653294298] [2020-10-28 17:20:47,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:20:47,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:47,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:20:47,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:20:47,811 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 10 states. [2020-10-28 17:20:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:48,390 INFO L93 Difference]: Finished difference Result 125 states and 202 transitions. [2020-10-28 17:20:48,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:20:48,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-28 17:20:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:48,394 INFO L225 Difference]: With dead ends: 125 [2020-10-28 17:20:48,394 INFO L226 Difference]: Without dead ends: 75 [2020-10-28 17:20:48,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-28 17:20:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-28 17:20:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 61. [2020-10-28 17:20:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-28 17:20:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 82 transitions. [2020-10-28 17:20:48,434 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 82 transitions. Word has length 54 [2020-10-28 17:20:48,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:48,437 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 82 transitions. [2020-10-28 17:20:48,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:20:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-10-28 17:20:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 17:20:48,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:48,440 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, 1, 1] [2020-10-28 17:20:48,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:20:48,444 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:48,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:48,445 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-28 17:20:48,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:48,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831329565] [2020-10-28 17:20:48,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:48,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:20:53,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:20:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:20:53,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:53,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:20:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:20:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:20:53,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:53,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:53,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:53,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:53,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:53,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:53,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:53,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:53,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:53,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:20:57,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:20:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3933 [2020-10-28 17:20:57,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:20:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:20:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:20:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:57,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:57,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:57,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 17:20:57,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:57,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:57,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:57,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:57,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:57,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:57,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:20:57,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:57,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:57,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:57,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 17:20:57,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:57,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:57,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:20:57,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:57,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:57,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:57,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:57,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:57,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:57,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:57,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-28 17:20:57,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831329565] [2020-10-28 17:20:57,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:57,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:20:57,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221865838] [2020-10-28 17:20:57,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:20:57,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:57,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:20:57,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:20:57,819 INFO L87 Difference]: Start difference. First operand 61 states and 82 transitions. Second operand 12 states. [2020-10-28 17:20:58,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:58,654 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2020-10-28 17:20:58,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:20:58,657 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2020-10-28 17:20:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:58,660 INFO L225 Difference]: With dead ends: 133 [2020-10-28 17:20:58,660 INFO L226 Difference]: Without dead ends: 75 [2020-10-28 17:20:58,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2020-10-28 17:20:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-28 17:20:58,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2020-10-28 17:20:58,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-28 17:20:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-10-28 17:20:58,691 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 56 [2020-10-28 17:20:58,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:58,693 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-10-28 17:20:58,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:20:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-10-28 17:20:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:20:58,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:58,698 INFO L422 BasicCegarLoop]: trace histogram [5, 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, 1] [2020-10-28 17:20:58,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:20:58,698 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:58,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:58,699 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-28 17:20:58,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:58,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199774237] [2020-10-28 17:20:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:58,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:00,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:03,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:21:03,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:21:03,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:21:03,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:03,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 17:21:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:03,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:03,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:03,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:03,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:03,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:03,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:03,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:06,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:21:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:21:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:21:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:21:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:21:08,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:08,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 17:21:08,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:08,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:08,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:08,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:08,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:08,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:08,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:21:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:21:08,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:21:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:08,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:08,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:08,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:08,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:08,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:08,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:08,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 17:21:08,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199774237] [2020-10-28 17:21:08,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:08,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:21:08,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328984244] [2020-10-28 17:21:08,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:21:08,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:21:08,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:21:08,999 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 10 states. [2020-10-28 17:21:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:09,585 INFO L93 Difference]: Finished difference Result 100 states and 152 transitions. [2020-10-28 17:21:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:09,586 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-28 17:21:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:09,589 INFO L225 Difference]: With dead ends: 100 [2020-10-28 17:21:09,589 INFO L226 Difference]: Without dead ends: 95 [2020-10-28 17:21:09,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:21:09,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-28 17:21:09,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 86. [2020-10-28 17:21:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-28 17:21:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 130 transitions. [2020-10-28 17:21:09,609 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 130 transitions. Word has length 58 [2020-10-28 17:21:09,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:09,610 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 130 transitions. [2020-10-28 17:21:09,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:21:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2020-10-28 17:21:09,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 17:21:09,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:09,612 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:09,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:21:09,612 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:09,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:09,613 INFO L82 PathProgramCache]: Analyzing trace with hash 931040796, now seen corresponding path program 1 times [2020-10-28 17:21:09,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:09,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154380689] [2020-10-28 17:21:09,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:13,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:14,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 17:21:14,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 17:21:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:21:14,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:14,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:21:14,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:14,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:14,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:14,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:14,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:14,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:14,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:14,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:14,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 17:21:19,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:21:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:21:19,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 17:21:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:21:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:19,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:19,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:19,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:19,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:19,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:19,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:19,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:19,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:19,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:19,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:19,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:19,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:19,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:19,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:19,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:19,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:19,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:19,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:19,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:19,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:19,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 17:21:20,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:20,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:20,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:20,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-28 17:21:20,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154380689] [2020-10-28 17:21:20,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:20,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:21:20,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432270439] [2020-10-28 17:21:20,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:21:20,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:20,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:21:20,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:21:20,482 INFO L87 Difference]: Start difference. First operand 86 states and 130 transitions. Second operand 12 states. [2020-10-28 17:21:21,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:21,271 INFO L93 Difference]: Finished difference Result 164 states and 281 transitions. [2020-10-28 17:21:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:21:21,272 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 81 [2020-10-28 17:21:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:21,274 INFO L225 Difference]: With dead ends: 164 [2020-10-28 17:21:21,274 INFO L226 Difference]: Without dead ends: 80 [2020-10-28 17:21:21,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-28 17:21:21,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-28 17:21:21,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2020-10-28 17:21:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-28 17:21:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 104 transitions. [2020-10-28 17:21:21,294 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 104 transitions. Word has length 81 [2020-10-28 17:21:21,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:21,294 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 104 transitions. [2020-10-28 17:21:21,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:21:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2020-10-28 17:21:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 17:21:21,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:21,296 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, 1, 1] [2020-10-28 17:21:21,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:21:21,297 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:21,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:21,297 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-28 17:21:21,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:21,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315477800] [2020-10-28 17:21:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:21,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:26,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 17:21:26,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:21:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:21:26,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:26,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:26,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:26,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:21:26,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:21:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:26,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:26,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:26,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:26,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:26,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:26,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:26,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:26,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:28,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:21:31,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:21:31,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:21:31,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 17:21:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:21:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:31,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:21:31,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:31,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:31,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:31,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:31,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-28 17:21:31,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:21:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:31,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:31,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:32,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:32,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:32,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:32,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:32,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:32,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:32,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:32,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:32,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:32,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:32,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:32,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:32,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:32,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:32,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:32,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:32,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:32,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:32,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:32,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:32,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:32,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:32,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:32,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-28 17:21:32,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315477800] [2020-10-28 17:21:32,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:32,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:21:32,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052299336] [2020-10-28 17:21:32,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:21:32,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:32,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:21:32,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:21:32,106 INFO L87 Difference]: Start difference. First operand 72 states and 104 transitions. Second operand 11 states. [2020-10-28 17:21:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:32,781 INFO L93 Difference]: Finished difference Result 147 states and 243 transitions. [2020-10-28 17:21:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:21:32,783 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-28 17:21:32,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:32,784 INFO L225 Difference]: With dead ends: 147 [2020-10-28 17:21:32,784 INFO L226 Difference]: Without dead ends: 85 [2020-10-28 17:21:32,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:21:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-28 17:21:32,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2020-10-28 17:21:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 17:21:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 123 transitions. [2020-10-28 17:21:32,802 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 123 transitions. Word has length 82 [2020-10-28 17:21:32,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:32,803 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 123 transitions. [2020-10-28 17:21:32,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:21:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 123 transitions. [2020-10-28 17:21:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-28 17:21:32,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:32,805 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:32,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:21:32,805 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:32,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:32,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1793250386, now seen corresponding path program 1 times [2020-10-28 17:21:32,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:32,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664514500] [2020-10-28 17:21:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:32,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:36,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 17:21:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:21:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:37,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:37,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:37,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:37,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:37,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:37,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:37,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:37,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:41,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:21:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:42,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:42,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:42,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:42,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:42,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:42,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:21:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:47,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:47,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:47,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:21:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:48,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 17:21:48,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:48,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:48,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:48,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:48,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:48,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:48,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-10-28 17:21:48,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664514500] [2020-10-28 17:21:48,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:48,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:21:48,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635551136] [2020-10-28 17:21:48,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:21:48,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:48,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:21:48,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:21:48,377 INFO L87 Difference]: Start difference. First operand 82 states and 123 transitions. Second operand 11 states. [2020-10-28 17:21:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:48,977 INFO L93 Difference]: Finished difference Result 145 states and 242 transitions. [2020-10-28 17:21:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:48,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-10-28 17:21:48,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:48,980 INFO L225 Difference]: With dead ends: 145 [2020-10-28 17:21:48,980 INFO L226 Difference]: Without dead ends: 73 [2020-10-28 17:21:48,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2020-10-28 17:21:48,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-28 17:21:48,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-10-28 17:21:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-28 17:21:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-10-28 17:21:48,995 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 109 [2020-10-28 17:21:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:48,996 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-10-28 17:21:48,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:21:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-10-28 17:21:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:21:48,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:48,997 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, 1, 1] [2020-10-28 17:21:48,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:21:48,997 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:48,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-28 17:21:48,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:48,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200032823] [2020-10-28 17:21:48,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:49,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:21:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:21:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:21:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:54,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:54,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:54,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:54,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:54,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:54,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:54,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:56,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:21:59,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:21:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:21:59,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:21:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:59,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 17:21:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:21:59,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:59,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:21:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:00,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:00,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:00,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:00,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 44 proven. 35 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-28 17:22:00,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200032823] [2020-10-28 17:22:00,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:00,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 17:22:00,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655381673] [2020-10-28 17:22:00,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:22:00,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:00,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:22:00,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:22:00,266 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 14 states. [2020-10-28 17:22:01,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:01,581 INFO L93 Difference]: Finished difference Result 147 states and 238 transitions. [2020-10-28 17:22:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 17:22:01,583 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 84 [2020-10-28 17:22:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:01,585 INFO L225 Difference]: With dead ends: 147 [2020-10-28 17:22:01,585 INFO L226 Difference]: Without dead ends: 77 [2020-10-28 17:22:01,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2020-10-28 17:22:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-28 17:22:01,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 68. [2020-10-28 17:22:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-28 17:22:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 91 transitions. [2020-10-28 17:22:01,597 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 91 transitions. Word has length 84 [2020-10-28 17:22:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:01,598 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 91 transitions. [2020-10-28 17:22:01,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:22:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2020-10-28 17:22:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 17:22:01,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:01,600 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:01,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:22:01,600 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:01,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:01,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1565484629, now seen corresponding path program 2 times [2020-10-28 17:22:01,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:01,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243085617] [2020-10-28 17:22:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:01,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:04,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:05,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:05,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:05,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 17:22:06,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:06,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:06,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:06,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:06,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:06,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:06,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:06,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:11,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 17:22:11,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:11,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:22:16,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4736 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 17:22:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:16,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:16,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:22:16,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:16,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:16,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:16,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:16,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:16,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:16,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:16,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:16,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:16,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:16,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:16,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:22:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:16,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-28 17:22:16,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:16,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:16,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:16,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:16,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:16,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:22:16,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:16,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:17,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:17,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:17,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:17,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:17,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:17,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 57 proven. 71 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 17:22:17,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243085617] [2020-10-28 17:22:17,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:17,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 17:22:17,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047822208] [2020-10-28 17:22:17,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 17:22:17,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:17,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 17:22:17,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:22:17,029 INFO L87 Difference]: Start difference. First operand 68 states and 91 transitions. Second operand 13 states. [2020-10-28 17:22:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:17,937 INFO L93 Difference]: Finished difference Result 141 states and 217 transitions. [2020-10-28 17:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:22:17,938 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 97 [2020-10-28 17:22:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:17,940 INFO L225 Difference]: With dead ends: 141 [2020-10-28 17:22:17,941 INFO L226 Difference]: Without dead ends: 83 [2020-10-28 17:22:17,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2020-10-28 17:22:17,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-28 17:22:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2020-10-28 17:22:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-28 17:22:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 107 transitions. [2020-10-28 17:22:17,959 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 107 transitions. Word has length 97 [2020-10-28 17:22:17,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:17,962 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 107 transitions. [2020-10-28 17:22:17,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 17:22:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2020-10-28 17:22:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 17:22:17,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:17,963 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, 1, 1] [2020-10-28 17:22:17,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:22:17,964 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:17,970 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 2 times [2020-10-28 17:22:17,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:17,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615347] [2020-10-28 17:22:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:17,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-28 17:22:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 17:22:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 17:22:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:22:18,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-28 17:22:18,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-28 17:22:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 17:22:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:22:19,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 17:22:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:19,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:22:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:19,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:22:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:22:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:19,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:19,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:22:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:19,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:19,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:22:19,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:19,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:19,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:22:19,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:19,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:19,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:22:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:22:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:19,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 17:22:19,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:22:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:19,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:22:19,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:22:19,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:19,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:19,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:19,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-28 17:22:19,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615347] [2020-10-28 17:22:19,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:19,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-28 17:22:19,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478205852] [2020-10-28 17:22:19,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-28 17:22:19,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:19,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-28 17:22:19,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2020-10-28 17:22:19,908 INFO L87 Difference]: Start difference. First operand 80 states and 107 transitions. Second operand 24 states. [2020-10-28 17:22:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:22,192 INFO L93 Difference]: Finished difference Result 115 states and 176 transitions. [2020-10-28 17:22:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 17:22:22,193 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 111 [2020-10-28 17:22:22,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:22,197 INFO L225 Difference]: With dead ends: 115 [2020-10-28 17:22:22,197 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 17:22:22,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=147, Invalid=1833, Unknown=0, NotChecked=0, Total=1980 [2020-10-28 17:22:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 17:22:22,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 90. [2020-10-28 17:22:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-28 17:22:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2020-10-28 17:22:22,232 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 111 [2020-10-28 17:22:22,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:22,232 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2020-10-28 17:22:22,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-28 17:22:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2020-10-28 17:22:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 17:22:22,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:22,238 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:22,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:22:22,238 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:22,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:22,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1859526523, now seen corresponding path program 3 times [2020-10-28 17:22:22,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:22,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637104514] [2020-10-28 17:22:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 17:22:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:27,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:27,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:27,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:27,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:27,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:22:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-28 17:22:32,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:32,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:32,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:22:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:37,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:37,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:37,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:37,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:37,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:37,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:37,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 17:22:37,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:37,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:37,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:37,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:37,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:37,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:22:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:42,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 17:22:42,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 17:22:42,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:22:42,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:42,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:22:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:42,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 17:22:42,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:42,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:43,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:22:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-28 17:22:43,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:22:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:43,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:43,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:43,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:43,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:22:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:22:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:22:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-28 17:22:44,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 17:22:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:44,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:44,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:44,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:44,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:44,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:44,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 134 proven. 173 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-10-28 17:22:44,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637104514] [2020-10-28 17:22:44,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:44,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-28 17:22:44,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795697079] [2020-10-28 17:22:44,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-28 17:22:44,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:44,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-28 17:22:44,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-28 17:22:44,299 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand 18 states. [2020-10-28 17:22:46,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:46,263 INFO L93 Difference]: Finished difference Result 201 states and 365 transitions. [2020-10-28 17:22:46,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 17:22:46,264 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 166 [2020-10-28 17:22:46,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:46,267 INFO L225 Difference]: With dead ends: 201 [2020-10-28 17:22:46,267 INFO L226 Difference]: Without dead ends: 117 [2020-10-28 17:22:46,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=222, Invalid=1184, Unknown=0, NotChecked=0, Total=1406 [2020-10-28 17:22:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-28 17:22:46,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2020-10-28 17:22:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-28 17:22:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-10-28 17:22:46,285 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 166 [2020-10-28 17:22:46,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:46,285 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-10-28 17:22:46,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-28 17:22:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-10-28 17:22:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 17:22:46,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:46,289 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:22:46,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 17:22:46,289 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:46,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:46,289 INFO L82 PathProgramCache]: Analyzing trace with hash 75857525, now seen corresponding path program 4 times [2020-10-28 17:22:46,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:46,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323408765] [2020-10-28 17:22:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:46,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 17:22:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:51,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:51,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:51,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:51,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:51,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:51,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:53,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:56,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-28 17:22:56,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:22:56,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:56,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:56,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:58,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:23:01,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:23:01,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:23:01,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:01,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:01,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:01,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:01,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:01,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:01,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:01,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:01,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:01,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:01,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:23:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:01,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 17:23:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:23:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:23:06,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:06,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 17:23:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:23:11,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:23:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:23:11,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:23:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:11,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:11,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:11,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:23:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:11,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:11,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:11,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:11,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:11,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:11,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:23:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:11,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:11,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 205 proven. 16 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2020-10-28 17:23:11,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323408765] [2020-10-28 17:23:11,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:11,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:23:11,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847204532] [2020-10-28 17:23:11,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:23:11,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:11,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:23:11,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:23:11,859 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 11 states. [2020-10-28 17:23:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:12,571 INFO L93 Difference]: Finished difference Result 213 states and 330 transitions. [2020-10-28 17:23:12,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:23:12,573 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2020-10-28 17:23:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:12,578 INFO L225 Difference]: With dead ends: 213 [2020-10-28 17:23:12,578 INFO L226 Difference]: Without dead ends: 116 [2020-10-28 17:23:12,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:23:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-28 17:23:12,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2020-10-28 17:23:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-28 17:23:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2020-10-28 17:23:12,608 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 153 [2020-10-28 17:23:12,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:12,609 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2020-10-28 17:23:12,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:23:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2020-10-28 17:23:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 17:23:12,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:12,614 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, 1, 1] [2020-10-28 17:23:12,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 17:23:12,614 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:12,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:12,615 INFO L82 PathProgramCache]: Analyzing trace with hash 182861805, now seen corresponding path program 1 times [2020-10-28 17:23:12,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:12,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543489166] [2020-10-28 17:23:12,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:12,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:14,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:14,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:14,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:14,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:16,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:17,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 17:23:17,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:23:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:23:17,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:17,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-28 17:23:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:17,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:17,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:17,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:17,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-28 17:23:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:22,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:22,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:27,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:23:27,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:23:27,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:23:27,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:27,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:23:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 17:23:27,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:27,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:27,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:28,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:28,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-28 17:23:28,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:28,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:28,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:28,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:28,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:23:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:28,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:28,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:28,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:28,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:28,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:28,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:28,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:28,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:28,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:28,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:28,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:28,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:28,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:23:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:28,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:28,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:28,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:28,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:28,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:28,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:28,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:28,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:28,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:29,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:23:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:29,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:29,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:29,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:29,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:29,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:29,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:29,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:29,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:29,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:29,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:29,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:29,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:29,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:29,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:29,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:23:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:29,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:23:34,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 17:23:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:23:34,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:23:34,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:23:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:34,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:34,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 805 [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:35,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:35,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:35,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:35,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:35,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:35,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:35,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:35,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:35,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:35,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:35,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:35,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:35,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:35,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:35,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:35,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:35,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 176 proven. 151 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-10-28 17:23:35,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543489166] [2020-10-28 17:23:35,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:35,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 17:23:35,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147899503] [2020-10-28 17:23:35,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 17:23:35,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:35,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 17:23:35,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:23:35,731 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand 16 states. [2020-10-28 17:23:36,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:36,863 INFO L93 Difference]: Finished difference Result 239 states and 390 transitions. [2020-10-28 17:23:36,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 17:23:36,864 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 166 [2020-10-28 17:23:36,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:36,866 INFO L225 Difference]: With dead ends: 239 [2020-10-28 17:23:36,867 INFO L226 Difference]: Without dead ends: 140 [2020-10-28 17:23:36,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2020-10-28 17:23:36,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-28 17:23:36,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 126. [2020-10-28 17:23:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-28 17:23:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 190 transitions. [2020-10-28 17:23:36,886 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 190 transitions. Word has length 166 [2020-10-28 17:23:36,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:36,886 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 190 transitions. [2020-10-28 17:23:36,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 17:23:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2020-10-28 17:23:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-28 17:23:36,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:36,891 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 16, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:36,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 17:23:36,891 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:36,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:36,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2062033598, now seen corresponding path program 5 times [2020-10-28 17:23:36,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:36,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516736427] [2020-10-28 17:23:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:36,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-28 17:23:41,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:41,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:41,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:41,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:41,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:41,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:42,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:42,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:23:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:23:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:47,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:23:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:52,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:52,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:52,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:52,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:52,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:52,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:52,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:52,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:52,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:52,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:52,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:52,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:52,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:52,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:23:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:23:57,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:57,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:57,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:57,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:57,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:57,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:57,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:57,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:57,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:57,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:57,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:23:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:57,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:57,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:57,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:57,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:57,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:57,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 17:23:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:57,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:57,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:02,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 17:24:02,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-28 17:24:02,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-28 17:24:02,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:02,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-28 17:24:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:02,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:03,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:07,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:07,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:07,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:07,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:07,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:07,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:07,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:24:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:07,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:07,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:08,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:12,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 17:24:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:24:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:24:12,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:12,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:14,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:24:17,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:24:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:24:17,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:24:17,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:24:17,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-28 17:24:17,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:24:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:17,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:17,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:17,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 17:24:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:17,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:17,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:17,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:17,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2008 backedges. 143 proven. 278 refuted. 0 times theorem prover too weak. 1587 trivial. 0 not checked. [2020-10-28 17:24:18,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516736427] [2020-10-28 17:24:18,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:18,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:24:18,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432789567] [2020-10-28 17:24:18,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:24:18,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:18,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:24:18,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:24:18,002 INFO L87 Difference]: Start difference. First operand 126 states and 190 transitions. Second operand 10 states. [2020-10-28 17:24:18,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:18,553 INFO L93 Difference]: Finished difference Result 243 states and 398 transitions. [2020-10-28 17:24:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:24:18,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 275 [2020-10-28 17:24:18,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:18,557 INFO L225 Difference]: With dead ends: 243 [2020-10-28 17:24:18,557 INFO L226 Difference]: Without dead ends: 131 [2020-10-28 17:24:18,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:24:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-28 17:24:18,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2020-10-28 17:24:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-28 17:24:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 193 transitions. [2020-10-28 17:24:18,577 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 193 transitions. Word has length 275 [2020-10-28 17:24:18,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:18,577 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 193 transitions. [2020-10-28 17:24:18,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:24:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 193 transitions. [2020-10-28 17:24:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-28 17:24:18,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:18,583 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 16, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:18,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 17:24:18,584 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:18,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:18,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1920491090, now seen corresponding path program 6 times [2020-10-28 17:24:18,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:18,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883590623] [2020-10-28 17:24:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:18,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking...