/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_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:19:59,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:20:00,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:20:00,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:20:00,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:20:00,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:20:00,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:20:00,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:20:00,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:20:00,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:20:00,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:20:00,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:20:00,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:20:00,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:20:00,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:20:00,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:20:00,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:20:00,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:20:00,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:20:00,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:20:00,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:20:00,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:20:00,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:20:00,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:20:00,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:20:00,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:20:00,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:20:00,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:20:00,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:20:00,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:20:00,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:20:00,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:20:00,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:20:00,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:20:00,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:20:00,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:20:00,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:20:00,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:20:00,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:20:00,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:20:00,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:20:00,137 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 17:20:00,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:20:00,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:20:00,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:20:00,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:20:00,213 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:20:00,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:20:00,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:20:00,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:20:00,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:20:00,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:20:00,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:20:00,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:20:00,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:20:00,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:20:00,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:20:00,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:20:00,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:20:00,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:20:00,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:20:00,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:20:00,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:20:00,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:20:00,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:20:00,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:20:00,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:20:00,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:20:00,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:20:00,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:20:00,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:20:00,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:20:00,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:20:00,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:20:00,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:20:00,649 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:20:00,650 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:20:00,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c [2020-10-28 17:20:00,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bae6034a/b77da1868eb64cb6b5dc679568d5c51d/FLAGa4fa9ac5b [2020-10-28 17:20:01,396 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:20:01,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c [2020-10-28 17:20:01,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bae6034a/b77da1868eb64cb6b5dc679568d5c51d/FLAGa4fa9ac5b [2020-10-28 17:20:01,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bae6034a/b77da1868eb64cb6b5dc679568d5c51d [2020-10-28 17:20:01,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:20:01,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:20:01,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:20:01,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:20:01,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:20:01,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:20:01" (1/1) ... [2020-10-28 17:20:01,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab69ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:01, skipping insertion in model container [2020-10-28 17:20:01,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:20:01" (1/1) ... [2020-10-28 17:20:01,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:20:01,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:20:01,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:20:02,002 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:20:02,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:20:02,039 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:20:02,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02 WrapperNode [2020-10-28 17:20:02,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:20:02,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:20:02,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:20:02,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:20:02,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (1/1) ... [2020-10-28 17:20:02,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:20:02,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:20:02,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:20:02,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:20:02,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (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 17:20:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:20:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:20:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:20:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-28 17:20:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-28 17:20:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:20:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:20:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:20:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:20:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:20:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:20:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-28 17:20:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-28 17:20:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:20:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:20:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:20:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:20:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:20:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:20:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:20:02,432 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:20:02,433 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 17:20:02,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:20:02 BoogieIcfgContainer [2020-10-28 17:20:02,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:20:02,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:20:02,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:20:02,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:20:02,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:20:01" (1/3) ... [2020-10-28 17:20:02,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e69e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:20:02, skipping insertion in model container [2020-10-28 17:20:02,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:20:02" (2/3) ... [2020-10-28 17:20:02,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e69e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:20:02, skipping insertion in model container [2020-10-28 17:20:02,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:20:02" (3/3) ... [2020-10-28 17:20:02,445 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-1.c [2020-10-28 17:20:02,460 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:20:02,467 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:20:02,492 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:20:02,538 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:20:02,538 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:20:02,538 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:20:02,538 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:20:02,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:20:02,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:20:02,539 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:20:02,539 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:20:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-28 17:20:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-28 17:20:02,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:02,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:02,599 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:02,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:02,606 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-28 17:20:02,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:02,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207689695] [2020-10-28 17:20:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:02,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:02,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 17:20:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-28 17:20:03,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:03,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:20:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:03,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:20:03,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:03,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:03,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:03,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:03,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:03,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:03,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:20:03,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:03,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:03,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:03,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:03,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:03,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:03,857 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 17:20:03,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207689695] [2020-10-28 17:20:03,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:20:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:20:03,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084452950] [2020-10-28 17:20:03,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:20:03,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:03,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:20:03,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:20:03,885 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-28 17:20:04,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:04,232 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-28 17:20:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:20:04,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-28 17:20:04,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:04,244 INFO L225 Difference]: With dead ends: 50 [2020-10-28 17:20:04,245 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:20:04,248 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 17:20:04,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:20:04,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-28 17:20:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-28 17:20:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-28 17:20:04,302 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-28 17:20:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:04,302 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-28 17:20:04,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:20:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-28 17:20:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 17:20:04,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:04,306 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 17:20:04,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:20:04,306 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:04,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:04,307 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-28 17:20:04,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:04,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824200455] [2020-10-28 17:20:04,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:04,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:04,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:04,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:04,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:06,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:06,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 17:20:06,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2571 [2020-10-28 17:20:06,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:06,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:20:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 17:20:06,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:06,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:06,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:06,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:20:06,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:06,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:07,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:07,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:07,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:07,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-28 17:20:07,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:07,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:07,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:20:07,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-28 17:20:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:07,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:20:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:07,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:07,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:07,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:07,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:07,368 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 17:20:07,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824200455] [2020-10-28 17:20:07,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:07,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:20:07,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007476841] [2020-10-28 17:20:07,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:07,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:07,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:07,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:07,378 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-28 17:20:07,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:07,836 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-28 17:20:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:20:07,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-28 17:20:07,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:07,839 INFO L225 Difference]: With dead ends: 44 [2020-10-28 17:20:07,839 INFO L226 Difference]: Without dead ends: 39 [2020-10-28 17:20:07,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 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 17:20:07,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-28 17:20:07,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-28 17:20:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 17:20:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-28 17:20:07,855 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-28 17:20:07,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:07,855 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-28 17:20:07,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-28 17:20:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 17:20:07,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:07,858 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 17:20:07,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:20:07,858 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:07,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:07,859 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-28 17:20:07,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:07,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977000276] [2020-10-28 17:20:07,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:07,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:20:09,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-28 17:20:09,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:20:09,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:09,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:20:09,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:09,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:09,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 17:20:09,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:09,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:20:09,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:09,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:09,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:09,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:09,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:09,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:09,416 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 17:20:09,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977000276] [2020-10-28 17:20:09,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:09,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:20:09,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067180655] [2020-10-28 17:20:09,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:20:09,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:09,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:20:09,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:20:09,419 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-28 17:20:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:09,785 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2020-10-28 17:20:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:20:09,785 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-28 17:20:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:09,788 INFO L225 Difference]: With dead ends: 51 [2020-10-28 17:20:09,788 INFO L226 Difference]: Without dead ends: 46 [2020-10-28 17:20:09,789 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 17:20:09,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-28 17:20:09,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2020-10-28 17:20:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 17:20:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-28 17:20:09,801 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 29 [2020-10-28 17:20:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:09,802 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-28 17:20:09,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:20:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-28 17:20:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 17:20:09,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:09,805 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:09,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:20:09,806 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:09,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-28 17:20:09,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:09,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899199934] [2020-10-28 17:20:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:09,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:09,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:10,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:12,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:14,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 17:20:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:20:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:20:14,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:14,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:20:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:14,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:14,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:14,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:14,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:14,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:20:14,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:14,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:14,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:14,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:15,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:15,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:15,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:15,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:16,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:20:16,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:20:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1129 [2020-10-28 17:20:16,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:16,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 17:20:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:20:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:16,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-28 17:20:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:16,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:16,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:16,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:16,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:16,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:16,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:16,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:16,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:16,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:16,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:16,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:16,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:16,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:16,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:16,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:16,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:16,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:16,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:16,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:16,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:16,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:16,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:16,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:16,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 17:20:16,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899199934] [2020-10-28 17:20:16,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:16,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:20:16,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170500642] [2020-10-28 17:20:16,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:20:16,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:16,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:20:16,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:20:16,313 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 10 states. [2020-10-28 17:20:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:16,931 INFO L93 Difference]: Finished difference Result 91 states and 144 transitions. [2020-10-28 17:20:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:20:16,931 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-28 17:20:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:16,935 INFO L225 Difference]: With dead ends: 91 [2020-10-28 17:20:16,936 INFO L226 Difference]: Without dead ends: 61 [2020-10-28 17:20:16,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:20:16,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-28 17:20:16,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2020-10-28 17:20:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-28 17:20:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2020-10-28 17:20:16,969 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 41 [2020-10-28 17:20:16,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:16,970 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2020-10-28 17:20:16,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:20:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2020-10-28 17:20:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:20:16,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:16,978 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 17:20:16,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:20:16,979 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:16,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:16,979 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-28 17:20:16,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:16,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074202551] [2020-10-28 17:20:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:17,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:17,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:22,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:20:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:20:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:20:22,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:22,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 17:20:22,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:22,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:22,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:22,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:20:22,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:22,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:22,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:22,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:22,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:23,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:24,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:25,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:20:27,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:20:27,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:20:27,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 17:20:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:27,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:27,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 17:20:27,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:20:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:27,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:20:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:20:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:27,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:27,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:27,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:20:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:27,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:27,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 17:20:27,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:27,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:27,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:27,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:27,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:27,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:27,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:27,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:27,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:27,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:27,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:27,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:27,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 17:20:27,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074202551] [2020-10-28 17:20:27,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:27,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:20:27,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894940257] [2020-10-28 17:20:27,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:20:27,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:27,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:20:27,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:20:27,476 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand 10 states. [2020-10-28 17:20:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:28,045 INFO L93 Difference]: Finished difference Result 96 states and 159 transitions. [2020-10-28 17:20:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:20:28,045 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-28 17:20:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:28,049 INFO L225 Difference]: With dead ends: 96 [2020-10-28 17:20:28,049 INFO L226 Difference]: Without dead ends: 91 [2020-10-28 17:20:28,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:20:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-28 17:20:28,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 73. [2020-10-28 17:20:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 17:20:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2020-10-28 17:20:28,071 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 58 [2020-10-28 17:20:28,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:28,072 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2020-10-28 17:20:28,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:20:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2020-10-28 17:20:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-28 17:20:28,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:28,076 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:20:28,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:20:28,077 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:28,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:28,077 INFO L82 PathProgramCache]: Analyzing trace with hash 909356298, now seen corresponding path program 1 times [2020-10-28 17:20:28,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:28,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273389122] [2020-10-28 17:20:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:28,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:29,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:31,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:32,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:33,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:20:33,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 17:20:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:20:33,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:33,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 17:20:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:20:33,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:33,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:33,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:33,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:33,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:33,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:33,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:33,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:33,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:36,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:20:38,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 17:20:38,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:20:38,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:20:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:20:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:20:38,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:20:38,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-28 17:20:38,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:38,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:20:38,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:20:38,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:20:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:20:38,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:20:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:38,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:20:38,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:38,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:38,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:20:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:38,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:38,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:20:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:20:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:38,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:20:38,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:20:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:20:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:20:38,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 17:20:38,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:20:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:38,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:38,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:38,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:38,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:38,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:38,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:38,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:20:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-28 17:20:38,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273389122] [2020-10-28 17:20:38,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:38,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:20:38,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006588091] [2020-10-28 17:20:38,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:20:38,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:38,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:20:38,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:20:38,593 INFO L87 Difference]: Start difference. First operand 73 states and 116 transitions. Second operand 11 states. [2020-10-28 17:20:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:39,533 INFO L93 Difference]: Finished difference Result 157 states and 273 transitions. [2020-10-28 17:20:39,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 17:20:39,539 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 70 [2020-10-28 17:20:39,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:39,543 INFO L225 Difference]: With dead ends: 157 [2020-10-28 17:20:39,543 INFO L226 Difference]: Without dead ends: 89 [2020-10-28 17:20:39,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2020-10-28 17:20:39,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-28 17:20:39,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 73. [2020-10-28 17:20:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 17:20:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 106 transitions. [2020-10-28 17:20:39,565 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 106 transitions. Word has length 70 [2020-10-28 17:20:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:39,566 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 106 transitions. [2020-10-28 17:20:39,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:20:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2020-10-28 17:20:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:20:39,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:39,570 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 17:20:39,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:20:39,570 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:39,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:39,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-28 17:20:39,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:39,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443015632] [2020-10-28 17:20:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:39,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:40,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:44,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:20:44,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:20:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:20:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:44,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:20:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:20:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:20:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:44,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:44,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:20:44,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:44,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:44,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:47,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:49,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:20:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 17:20:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:20:49,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:49,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:49,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:20:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:20:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:20:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:49,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:49,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:49,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:49,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:49,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:20:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-28 17:20:49,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:49,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:20:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:20:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:50,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:20:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 17:20:50,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:20:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:20:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:50,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:50,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:50,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:20:50,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:50,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:50,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:50,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:20:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:20:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:20:50,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:20:50,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:20:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:20:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:20:50,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:50,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:20:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:50,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:50,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:50,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:20:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:20:50,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:50,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:50,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:20:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:50,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:50,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:20:50,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:50,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:20:50,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:50,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:50,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:50,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:50,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:50,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 58 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-28 17:20:50,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443015632] [2020-10-28 17:20:50,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:20:50,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:20:50,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141485642] [2020-10-28 17:20:50,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:20:50,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:20:50,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:20:50,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:20:50,195 INFO L87 Difference]: Start difference. First operand 73 states and 106 transitions. Second operand 11 states. [2020-10-28 17:20:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:20:50,929 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2020-10-28 17:20:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:20:50,930 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-28 17:20:50,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:20:50,933 INFO L225 Difference]: With dead ends: 105 [2020-10-28 17:20:50,934 INFO L226 Difference]: Without dead ends: 100 [2020-10-28 17:20:50,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2020-10-28 17:20:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-28 17:20:50,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 92. [2020-10-28 17:20:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 17:20:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 150 transitions. [2020-10-28 17:20:50,967 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 150 transitions. Word has length 84 [2020-10-28 17:20:50,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:20:50,967 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 150 transitions. [2020-10-28 17:20:50,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:20:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2020-10-28 17:20:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 17:20:50,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:20:50,970 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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] [2020-10-28 17:20:50,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:20:50,970 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:20:50,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:20:50,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1162284429, now seen corresponding path program 1 times [2020-10-28 17:20:50,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:20:50,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392592015] [2020-10-28 17:20:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:20:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:51,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:55,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:55,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:55,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 17:20:55,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:20:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:20:55,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:55,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:20:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:20:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:20:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:56,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:20:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:20:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:20:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:20:56,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:20:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:20:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:20:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:56,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:57,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:58,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:20:59,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:21:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:21:01,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 17:21:01,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:21:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:21:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:01,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:01,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:21:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:21:01,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:01,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 17:21:01,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:01,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:01,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:01,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:01,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:01,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:01,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:01,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:21:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:01,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:01,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:01,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:01,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:01,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:01,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:01,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 17:21:01,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392592015] [2020-10-28 17:21:01,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:01,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:21:01,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750618471] [2020-10-28 17:21:01,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:21:01,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:01,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:21:01,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:21:01,637 INFO L87 Difference]: Start difference. First operand 92 states and 150 transitions. Second operand 9 states. [2020-10-28 17:21:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:02,221 INFO L93 Difference]: Finished difference Result 193 states and 367 transitions. [2020-10-28 17:21:02,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:02,222 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-10-28 17:21:02,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:02,224 INFO L225 Difference]: With dead ends: 193 [2020-10-28 17:21:02,224 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 17:21:02,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:21:02,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 17:21:02,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 98. [2020-10-28 17:21:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 17:21:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 166 transitions. [2020-10-28 17:21:02,249 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 166 transitions. Word has length 86 [2020-10-28 17:21:02,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:02,249 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 166 transitions. [2020-10-28 17:21:02,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:21:02,250 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 166 transitions. [2020-10-28 17:21:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 17:21:02,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:02,252 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:02,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:21:02,253 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:02,253 INFO L82 PathProgramCache]: Analyzing trace with hash 666896621, now seen corresponding path program 2 times [2020-10-28 17:21:02,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:02,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739098744] [2020-10-28 17:21:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:02,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:02,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:04,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:05,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:07,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:07,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:07,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:07,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:07,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:07,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:21:12,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:12,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:12,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:12,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:14,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:14,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-28 17:21:14,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:21:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2620 [2020-10-28 17:21:14,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:14,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:21:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:21:15,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 17:21:15,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:15,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:21:15,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:15,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:15,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:15,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 17:21:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:21:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:21:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 17:21:15,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:21:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 17:21:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:15,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:15,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:15,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:15,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:15,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:15,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:15,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:15,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:15,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:15,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:15,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 37 proven. 80 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-28 17:21:15,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739098744] [2020-10-28 17:21:15,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:15,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:21:15,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175983242] [2020-10-28 17:21:15,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:21:15,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:15,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:21:15,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:21:15,370 INFO L87 Difference]: Start difference. First operand 98 states and 166 transitions. Second operand 11 states. [2020-10-28 17:21:16,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:16,051 INFO L93 Difference]: Finished difference Result 209 states and 429 transitions. [2020-10-28 17:21:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:21:16,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2020-10-28 17:21:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:16,055 INFO L225 Difference]: With dead ends: 209 [2020-10-28 17:21:16,055 INFO L226 Difference]: Without dead ends: 120 [2020-10-28 17:21:16,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2020-10-28 17:21:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-28 17:21:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 109. [2020-10-28 17:21:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-28 17:21:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 194 transitions. [2020-10-28 17:21:16,083 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 194 transitions. Word has length 99 [2020-10-28 17:21:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:16,083 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 194 transitions. [2020-10-28 17:21:16,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:21:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 194 transitions. [2020-10-28 17:21:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 17:21:16,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:16,088 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:16,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:21:16,089 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:16,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:16,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1955726797, now seen corresponding path program 1 times [2020-10-28 17:21:16,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:16,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908568671] [2020-10-28 17:21:16,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:16,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:16,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:20,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:21:21,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:21:21,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:21,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:21,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:21,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:21,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:21,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:21,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:21,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:21,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:21,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:23,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:24,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:26,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-28 17:21:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:21:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 17:21:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:26,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-28 17:21:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:21:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:26,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:26,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:26,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:21:31,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:21:31,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:21:31,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 17:21:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:21:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:31,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:31,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-28 17:21:31,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:31,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:31,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:21:31,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:31,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:31,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:31,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:31,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:31,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:32,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:21:33,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:21:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2340 [2020-10-28 17:21:33,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:21:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:21:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:33,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:33,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:21:33,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:33,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:33,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:33,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:33,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:33,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:34,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:34,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:34,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:34,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:34,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:21:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:34,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:34,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:34,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:34,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:34,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 17:21:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:34,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:35,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:37,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-28 17:21:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:39,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:39,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:21:39,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:39,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:39,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:39,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:39,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:39,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:39,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:39,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:21:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:21:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3409 [2020-10-28 17:21:42,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:42,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:42,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:42,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:42,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:21:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:42,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:42,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:21:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:42,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:42,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:42,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:42,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:42,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:42,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:42,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 131 proven. 180 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2020-10-28 17:21:42,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908568671] [2020-10-28 17:21:42,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:21:42,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:21:42,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420530378] [2020-10-28 17:21:42,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:21:42,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:21:42,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:21:42,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:21:42,841 INFO L87 Difference]: Start difference. First operand 109 states and 194 transitions. Second operand 11 states. [2020-10-28 17:21:43,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:21:43,734 INFO L93 Difference]: Finished difference Result 242 states and 513 transitions. [2020-10-28 17:21:43,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:21:43,735 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2020-10-28 17:21:43,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:21:43,739 INFO L225 Difference]: With dead ends: 242 [2020-10-28 17:21:43,739 INFO L226 Difference]: Without dead ends: 142 [2020-10-28 17:21:43,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2020-10-28 17:21:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-28 17:21:43,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 115. [2020-10-28 17:21:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 17:21:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 199 transitions. [2020-10-28 17:21:43,768 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 199 transitions. Word has length 190 [2020-10-28 17:21:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:21:43,769 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 199 transitions. [2020-10-28 17:21:43,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:21:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2020-10-28 17:21:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 17:21:43,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:21:43,772 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:21:43,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:21:43,773 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:21:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:21:43,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1692972986, now seen corresponding path program 1 times [2020-10-28 17:21:43,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:21:43,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801544956] [2020-10-28 17:21:43,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:21:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:43,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:46,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:21:48,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:21:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:21:48,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 17:21:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:21:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:48,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:21:48,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:48,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:21:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:48,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:48,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:53,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:53,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:53,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:54,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:55,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:58,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:58,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:21:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:21:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:21:58,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:58,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 17:21:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:21:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:58,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:58,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:58,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:58,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:58,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:59,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:21:59,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-28 17:21:59,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:59,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:21:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:59,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:21:59,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:59,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:21:59,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:21:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:21:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:21:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:21:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:21:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:21:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:21:59,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:21:59,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:21:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:21:59,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:21:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:59,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:21:59,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:59,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [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 17:21:59,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:21:59,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:21:59,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:21:59,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:21:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:21:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:21:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:21:59,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:21:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:21:59,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:21:59,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:21:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:21:59,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:21:59,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:21:59,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:21:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:21:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:21:59,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:21:59,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 17:21:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:21:59,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:21:59,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:00,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:01,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:22:01,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:22:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2291 [2020-10-28 17:22:01,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:01,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 17:22:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:01,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:01,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:02,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:22:02,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-28 17:22:02,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:02,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:02,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:02,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:22:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:02,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:02,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:02,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:02,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:02,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:02,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:02,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:02,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:02,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:02,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:02,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:02,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:22:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:02,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:02,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:02,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:22:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:02,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 85 proven. 70 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-28 17:22:02,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801544956] [2020-10-28 17:22:02,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:02,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:22:02,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232397303] [2020-10-28 17:22:02,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:22:02,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:02,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:22:02,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:22:02,062 INFO L87 Difference]: Start difference. First operand 115 states and 199 transitions. Second operand 10 states. [2020-10-28 17:22:02,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:02,815 INFO L93 Difference]: Finished difference Result 241 states and 465 transitions. [2020-10-28 17:22:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:22:02,821 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-28 17:22:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:02,824 INFO L225 Difference]: With dead ends: 241 [2020-10-28 17:22:02,824 INFO L226 Difference]: Without dead ends: 134 [2020-10-28 17:22:02,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:22:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-28 17:22:02,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 122. [2020-10-28 17:22:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-28 17:22:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 212 transitions. [2020-10-28 17:22:02,861 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 212 transitions. Word has length 135 [2020-10-28 17:22:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:02,861 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 212 transitions. [2020-10-28 17:22:02,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:22:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 212 transitions. [2020-10-28 17:22:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-28 17:22:02,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:02,865 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 7, 6, 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 17:22:02,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:22:02,866 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:02,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:02,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1199830298, now seen corresponding path program 2 times [2020-10-28 17:22:02,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:02,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621749690] [2020-10-28 17:22:02,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:02,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:03,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:03,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:03,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:03,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:03,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:07,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-28 17:22:07,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 17:22:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:22:07,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:07,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 17:22:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:22:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:07,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:07,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:07,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:07,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:07,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:07,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:07,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:07,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:10,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:11,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-28 17:22:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:22:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:13,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:13,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:14,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:14,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:14,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 17:22:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 17:22:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:18,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:18,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:18,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:18,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:18,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:18,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:18,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:18,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:18,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:19,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:22:19,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:22:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1666 [2020-10-28 17:22:19,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:19,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:22:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:22:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 17:22:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:19,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:19,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:19,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:22:20,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:22:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-28 17:22:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:22:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:20,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:22:20,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:22:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:20,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:20,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:22:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:20,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:20,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:22:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:20,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:20,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:22:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:20,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:22:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 17:22:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:20,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:20,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:22:22,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:22:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1575 [2020-10-28 17:22:22,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 17:22:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:22:22,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:22:22,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:22:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:22:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:22:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:22,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:22,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 98 proven. 56 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-10-28 17:22:22,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621749690] [2020-10-28 17:22:22,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:22,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:22:22,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799534724] [2020-10-28 17:22:22,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:22:22,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:22,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:22:22,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:22:22,257 INFO L87 Difference]: Start difference. First operand 122 states and 212 transitions. Second operand 9 states. [2020-10-28 17:22:22,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:22,723 INFO L93 Difference]: Finished difference Result 227 states and 429 transitions. [2020-10-28 17:22:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:22:22,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-10-28 17:22:22,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:22,726 INFO L225 Difference]: With dead ends: 227 [2020-10-28 17:22:22,726 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 17:22:22,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:22:22,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 17:22:22,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2020-10-28 17:22:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-28 17:22:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2020-10-28 17:22:22,753 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 148 [2020-10-28 17:22:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:22,755 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2020-10-28 17:22:22,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:22:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2020-10-28 17:22:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 17:22:22,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:22,758 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 17:22:22,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:22:22,759 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:22,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 3 times [2020-10-28 17:22:22,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:22,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145709460] [2020-10-28 17:22:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:22,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 17:22:27,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:27,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:27,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:27,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:27,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:27,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:27,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:32,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:22:32,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-28 17:22:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:32,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:32,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:32,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:22:37,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:22:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:37,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:37,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:37,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:37,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:37,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:37,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:37,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:37,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:37,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:37,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:37,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:37,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:37,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 17:22:37,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:37,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:22:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:22:37,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:22:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:22:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:38,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:38,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:38,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:38,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:38,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:38,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:38,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:38,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:38,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:38,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:38,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:38,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:38,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 49 proven. 67 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-28 17:22:38,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145709460] [2020-10-28 17:22:38,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:38,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:22:38,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723866657] [2020-10-28 17:22:38,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:22:38,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:38,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:22:38,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:22:38,092 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand 11 states. [2020-10-28 17:22:38,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:22:38,818 INFO L93 Difference]: Finished difference Result 132 states and 228 transitions. [2020-10-28 17:22:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:22:38,818 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-10-28 17:22:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:22:38,822 INFO L225 Difference]: With dead ends: 132 [2020-10-28 17:22:38,822 INFO L226 Difference]: Without dead ends: 127 [2020-10-28 17:22:38,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2020-10-28 17:22:38,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-28 17:22:38,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 97. [2020-10-28 17:22:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-28 17:22:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 146 transitions. [2020-10-28 17:22:38,848 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 146 transitions. Word has length 111 [2020-10-28 17:22:38,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:22:38,850 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 146 transitions. [2020-10-28 17:22:38,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:22:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2020-10-28 17:22:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 17:22:38,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:22:38,855 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 17:22:38,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:22:38,855 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:22:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:22:38,856 INFO L82 PathProgramCache]: Analyzing trace with hash 464375895, now seen corresponding path program 4 times [2020-10-28 17:22:38,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:22:38,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055791666] [2020-10-28 17:22:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:22:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:38,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:39,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:40,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 17:22:43,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:22:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:22:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:22:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 17:22:43,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:22:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:22:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:43,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:43,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:44,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:46,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:22:48,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 17:22:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:48,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:48,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:51,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:52,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:53,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:53,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 17:22:53,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 17:22:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:22:53,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:53,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:22:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:22:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 17:22:53,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:54,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:54,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:22:54,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-28 17:22:54,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:54,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:54,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:54,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:54,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:22:54,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:54,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:54,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:54,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:54,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:22:54,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:54,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:54,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:54,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:54,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:54,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:54,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:54,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:54,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:54,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:54,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:54,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:54,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:54,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:54,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:54,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:54,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:22:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:54,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:54,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:54,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:54,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:55,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:22:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:22:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 17:22:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:59,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:22:59,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:59,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:59,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:59,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:22:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 17:22:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:22:59,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:22:59,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:59,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:59,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:59,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:59,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:59,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:22:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:59,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:59,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:22:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:22:59,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:22:59,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:22:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:22:59,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:22:59,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:22:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:22:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:22:59,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:22:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:22:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:22:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:22:59,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:22:59,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:22:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:22:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:22:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:22:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:22:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 99 proven. 144 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2020-10-28 17:22:59,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055791666] [2020-10-28 17:22:59,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:22:59,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:22:59,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185970952] [2020-10-28 17:22:59,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:22:59,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:22:59,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:22:59,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:22:59,535 INFO L87 Difference]: Start difference. First operand 97 states and 146 transitions. Second operand 12 states. [2020-10-28 17:23:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:00,331 INFO L93 Difference]: Finished difference Result 224 states and 408 transitions. [2020-10-28 17:23:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:23:00,333 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-10-28 17:23:00,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:00,336 INFO L225 Difference]: With dead ends: 224 [2020-10-28 17:23:00,336 INFO L226 Difference]: Without dead ends: 125 [2020-10-28 17:23:00,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2020-10-28 17:23:00,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-28 17:23:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 108. [2020-10-28 17:23:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-28 17:23:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 167 transitions. [2020-10-28 17:23:00,358 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 167 transitions. Word has length 166 [2020-10-28 17:23:00,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:00,359 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 167 transitions. [2020-10-28 17:23:00,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:23:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2020-10-28 17:23:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-28 17:23:00,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:00,363 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:00,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:23:00,363 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:00,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:00,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1395816043, now seen corresponding path program 5 times [2020-10-28 17:23:00,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:00,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276614379] [2020-10-28 17:23:00,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:02,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:03,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:03,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:23:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:05,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:05,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:05,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:05,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:05,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:05,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:05,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:05,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:05,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:05,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:05,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:07,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:07,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:10,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 17:23:10,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:23:10,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:23:10,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:10,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:10,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:10,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 17:23:10,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 17:23:10,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:10,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:11,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 17:23:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 17:23:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 17:23:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:15,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3152 [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:18,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:23:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:21,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:21,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:23:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 17:23:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:23,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:23:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:24,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:24,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:24,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:24,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:24,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:24,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:23:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:29,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 17:23:29,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:23:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:23:29,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:29,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 17:23:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:29,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:29,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:29,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 17:23:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-28 17:23:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:23:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:34,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:34,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:34,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:34,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:23:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:34,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:34,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:34,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:34,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:23:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:34,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:34,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:34,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:34,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:34,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:34,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:34,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:34,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-28 17:23:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:39,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:39,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3282 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:42,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:42,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:42,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:42,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:42,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:42,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:42,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:43,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:43,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:43,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:43,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:23:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:43,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:43,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:43,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:23:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:43,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:43,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:43,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:43,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:23:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 232 proven. 204 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2020-10-28 17:23:43,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276614379] [2020-10-28 17:23:43,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:43,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:23:43,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711393573] [2020-10-28 17:23:43,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:23:43,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:43,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:23:43,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:23:43,097 INFO L87 Difference]: Start difference. First operand 108 states and 167 transitions. Second operand 12 states. [2020-10-28 17:23:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:43,984 INFO L93 Difference]: Finished difference Result 220 states and 377 transitions. [2020-10-28 17:23:43,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:23:43,984 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 242 [2020-10-28 17:23:43,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:43,987 INFO L225 Difference]: With dead ends: 220 [2020-10-28 17:23:43,987 INFO L226 Difference]: Without dead ends: 114 [2020-10-28 17:23:43,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2020-10-28 17:23:43,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-28 17:23:44,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 106. [2020-10-28 17:23:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 17:23:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2020-10-28 17:23:44,003 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 242 [2020-10-28 17:23:44,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:44,004 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2020-10-28 17:23:44,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:23:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2020-10-28 17:23:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-28 17:23:44,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:44,007 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 12, 12, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:44,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 17:23:44,008 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:44,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:44,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1234768955, now seen corresponding path program 6 times [2020-10-28 17:23:44,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:44,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714620576] [2020-10-28 17:23:44,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:44,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 17:23:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:23:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:49,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:49,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:52,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 17:23:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:23:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:54,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:54,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:23:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:59,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:59,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1994 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:24:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:24:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:01,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 17:24:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:01,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:01,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:01,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:01,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:01,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:01,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:24:01,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:24:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 17:24:01,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:24:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:24:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:01,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:01,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:01,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:01,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:24:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:01,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:01,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:01,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:01,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:01,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:24:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:01,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking...