/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/EvenOdd01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:24:02,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:24:02,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:24:02,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:24:02,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:24:02,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:24:02,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:24:02,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:24:02,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:24:02,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:24:02,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:24:02,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:24:02,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:24:02,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:24:02,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:24:02,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:24:02,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:24:02,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:24:02,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:24:02,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:24:02,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:24:02,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:24:02,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:24:02,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:24:02,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:24:02,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:24:02,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:24:02,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:24:02,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:24:02,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:24:02,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:24:02,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:24:02,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:24:02,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:24:02,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:24:02,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:24:02,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:24:02,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:24:02,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:24:02,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:24:02,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:24:02,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:24:02,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:24:02,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:24:02,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:24:02,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:24:02,242 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:24:02,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:24:02,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:24:02,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:24:02,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:24:02,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:24:02,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:24:02,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:24:02,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:24:02,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:24:02,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:24:02,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:24:02,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:24:02,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:24:02,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:24:02,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:24:02,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:24:02,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:24:02,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:24:02,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:24:02,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:24:02,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:24:02,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:24:02,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:24:02,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:24:02,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:24:02,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:24:02,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:24:02,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:24:02,569 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:24:02,569 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:24:02,570 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/EvenOdd01-1.c [2020-10-14 07:24:02,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/094ec8354/6ad267c93ffa4aa6aa5b2e382f46843e/FLAGf045556d3 [2020-10-14 07:24:03,091 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:24:03,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/EvenOdd01-1.c [2020-10-14 07:24:03,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/094ec8354/6ad267c93ffa4aa6aa5b2e382f46843e/FLAGf045556d3 [2020-10-14 07:24:03,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/094ec8354/6ad267c93ffa4aa6aa5b2e382f46843e [2020-10-14 07:24:03,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:24:03,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:24:03,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:24:03,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:24:03,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:24:03,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2844f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03, skipping insertion in model container [2020-10-14 07:24:03,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:24:03,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:24:03,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:24:03,722 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:24:03,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:24:03,755 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:24:03,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03 WrapperNode [2020-10-14 07:24:03,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:24:03,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:24:03,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:24:03,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:24:03,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... [2020-10-14 07:24:03,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:24:03,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:24:03,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:24:03,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:24:03,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-10-14 07:24:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-10-14 07:24:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:24:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-10-14 07:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-10-14 07:24:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:24:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:24:04,142 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:24:04,143 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 07:24:04,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:24:04 BoogieIcfgContainer [2020-10-14 07:24:04,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:24:04,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:24:04,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:24:04,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:24:04,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:24:03" (1/3) ... [2020-10-14 07:24:04,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583521e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:24:04, skipping insertion in model container [2020-10-14 07:24:04,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:24:03" (2/3) ... [2020-10-14 07:24:04,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583521e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:24:04, skipping insertion in model container [2020-10-14 07:24:04,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:24:04" (3/3) ... [2020-10-14 07:24:04,156 INFO L109 eAbstractionObserver]: Analyzing ICFG EvenOdd01-1.c [2020-10-14 07:24:04,167 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:24:04,175 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:24:04,193 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:24:04,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:24:04,224 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:24:04,224 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:24:04,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:24:04,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:24:04,225 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:24:04,225 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:24:04,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:24:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-14 07:24:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-14 07:24:04,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:04,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:04,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:04,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:04,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2122072279, now seen corresponding path program 1 times [2020-10-14 07:24:04,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:04,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034313989] [2020-10-14 07:24:04,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:04,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:04,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 07:24:04,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-14 07:24:04,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:04,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:24:04,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:04,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:04,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:04,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:24:04,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:04,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:04,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:24:04,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:04,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:04,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:24:04,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:04,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:24:04,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:04,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:24:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:24:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:24:04,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034313989] [2020-10-14 07:24:04,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:24:04,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:24:04,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601287575] [2020-10-14 07:24:04,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:24:04,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:04,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:24:04,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:24:04,879 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-14 07:24:05,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:05,058 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-14 07:24:05,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:24:05,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-14 07:24:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:05,074 INFO L225 Difference]: With dead ends: 41 [2020-10-14 07:24:05,074 INFO L226 Difference]: Without dead ends: 27 [2020-10-14 07:24:05,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:24:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-14 07:24:05,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-14 07:24:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-14 07:24:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-10-14 07:24:05,121 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 14 [2020-10-14 07:24:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:05,121 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-14 07:24:05,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:24:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-10-14 07:24:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-14 07:24:05,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:05,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:05,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:24:05,124 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash -612070348, now seen corresponding path program 1 times [2020-10-14 07:24:05,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:05,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124389439] [2020-10-14 07:24:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 07:24:05,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 07:24:05,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 07:24:05,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:05,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:05,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:24:05,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:05,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:24:05,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:05,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:05,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 07:24:05,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:24:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:05,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:05,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:24:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:24:05,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124389439] [2020-10-14 07:24:05,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:24:05,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:24:05,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223346135] [2020-10-14 07:24:05,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:24:05,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:05,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:24:05,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:24:05,573 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 6 states. [2020-10-14 07:24:05,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:05,668 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2020-10-14 07:24:05,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:24:05,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-14 07:24:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:05,670 INFO L225 Difference]: With dead ends: 33 [2020-10-14 07:24:05,670 INFO L226 Difference]: Without dead ends: 29 [2020-10-14 07:24:05,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:24:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-14 07:24:05,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-10-14 07:24:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-14 07:24:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-10-14 07:24:05,679 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 15 [2020-10-14 07:24:05,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:05,680 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-14 07:24:05,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:24:05,680 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-10-14 07:24:05,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 07:24:05,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:05,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:05,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:24:05,682 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:05,682 INFO L82 PathProgramCache]: Analyzing trace with hash -592576498, now seen corresponding path program 1 times [2020-10-14 07:24:05,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:05,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193348247] [2020-10-14 07:24:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 07:24:05,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:24:05,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 07:24:05,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:24:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:05,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:05,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:05,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:05,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:05,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:24:05,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:24:05,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 07:24:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:05,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:05,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:05,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:05,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:24:05,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:24:05,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:05,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:24:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:24:05,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193348247] [2020-10-14 07:24:05,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:24:05,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:24:05,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970446238] [2020-10-14 07:24:05,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:24:05,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:05,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:24:05,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:24:05,944 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 5 states. [2020-10-14 07:24:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:05,987 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2020-10-14 07:24:05,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:24:05,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-14 07:24:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:05,989 INFO L225 Difference]: With dead ends: 41 [2020-10-14 07:24:05,989 INFO L226 Difference]: Without dead ends: 29 [2020-10-14 07:24:05,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:24:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-14 07:24:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-10-14 07:24:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-14 07:24:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2020-10-14 07:24:05,997 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 21 [2020-10-14 07:24:05,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:05,997 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2020-10-14 07:24:05,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:24:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2020-10-14 07:24:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 07:24:05,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:05,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:05,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:24:05,999 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:05,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:06,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1306118367, now seen corresponding path program 1 times [2020-10-14 07:24:06,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:06,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309365708] [2020-10-14 07:24:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:24:06,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 07:24:06,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:06,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 07:24:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:06,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:06,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:06,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 07:24:06,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:24:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:06,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:06,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:24:06,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:24:06,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309365708] [2020-10-14 07:24:06,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:24:06,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:24:06,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547357498] [2020-10-14 07:24:06,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:24:06,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:06,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:24:06,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:24:06,309 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 9 states. [2020-10-14 07:24:06,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:06,477 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2020-10-14 07:24:06,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:24:06,477 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-14 07:24:06,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:06,479 INFO L225 Difference]: With dead ends: 36 [2020-10-14 07:24:06,479 INFO L226 Difference]: Without dead ends: 32 [2020-10-14 07:24:06,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:24:06,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-14 07:24:06,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-14 07:24:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:24:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-10-14 07:24:06,486 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22 [2020-10-14 07:24:06,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:06,487 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-10-14 07:24:06,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:24:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-10-14 07:24:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 07:24:06,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:06,488 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] [2020-10-14 07:24:06,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:24:06,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:06,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:06,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1571291849, now seen corresponding path program 1 times [2020-10-14 07:24:06,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:06,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796134017] [2020-10-14 07:24:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:24:06,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:24:06,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 07:24:06,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 07:24:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:06,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:06,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:24:06,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:24:06,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:24:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:06,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:24:06,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:24:06,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 07:24:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:06,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:24:06,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:24:06,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:24:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:24:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:24:06,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:24:06,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796134017] [2020-10-14 07:24:06,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:24:06,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:24:06,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99665999] [2020-10-14 07:24:06,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:24:06,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:06,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:24:06,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:24:06,757 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2020-10-14 07:24:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:06,802 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-10-14 07:24:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:24:06,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-14 07:24:06,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:06,804 INFO L225 Difference]: With dead ends: 42 [2020-10-14 07:24:06,804 INFO L226 Difference]: Without dead ends: 30 [2020-10-14 07:24:06,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:24:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-14 07:24:06,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-14 07:24:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:24:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-10-14 07:24:06,810 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 28 [2020-10-14 07:24:06,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:06,811 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-10-14 07:24:06,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:24:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-10-14 07:24:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 07:24:06,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:06,812 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, 1] [2020-10-14 07:24:06,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:24:06,812 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:06,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:06,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1610221656, now seen corresponding path program 1 times [2020-10-14 07:24:06,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:06,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130762106] [2020-10-14 07:24:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:06,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:06,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:24:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 07:24:06,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:06,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 07:24:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:07,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:07,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:07,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 07:24:07,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:24:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:07,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:07,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 07:24:07,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:07,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:07,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:07,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:24:07,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:24:07,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130762106] [2020-10-14 07:24:07,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:07,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:24:07,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662638041] [2020-10-14 07:24:07,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:24:07,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:07,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:24:07,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:24:07,335 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 11 states. [2020-10-14 07:24:07,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:07,559 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-14 07:24:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:24:07,560 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2020-10-14 07:24:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:07,561 INFO L225 Difference]: With dead ends: 42 [2020-10-14 07:24:07,561 INFO L226 Difference]: Without dead ends: 38 [2020-10-14 07:24:07,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:24:07,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-14 07:24:07,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-10-14 07:24:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-14 07:24:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-10-14 07:24:07,569 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 29 [2020-10-14 07:24:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:07,569 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-10-14 07:24:07,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:24:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-10-14 07:24:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 07:24:07,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:07,570 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 07:24:07,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:24:07,571 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:07,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:07,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1417612799, now seen corresponding path program 1 times [2020-10-14 07:24:07,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:07,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661640156] [2020-10-14 07:24:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 07:24:07,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 07:24:07,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 07:24:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:07,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:07,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:07,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:07,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:07,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:07,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:07,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:07,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:07,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 07:24:07,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:07,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:24:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:08,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:08,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:08,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:08,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:08,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 07:24:08,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:08,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:08,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:08,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:08,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:08,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 07:24:08,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:08,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:08,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:08,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:08,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:08,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:24:08,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:08,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:08,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 07:24:08,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661640156] [2020-10-14 07:24:08,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:08,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:24:08,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461650113] [2020-10-14 07:24:08,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:24:08,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:08,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:24:08,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:24:08,287 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 13 states. [2020-10-14 07:24:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:08,615 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2020-10-14 07:24:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 07:24:08,616 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2020-10-14 07:24:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:08,617 INFO L225 Difference]: With dead ends: 48 [2020-10-14 07:24:08,617 INFO L226 Difference]: Without dead ends: 44 [2020-10-14 07:24:08,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-14 07:24:08,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-14 07:24:08,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2020-10-14 07:24:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-14 07:24:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-10-14 07:24:08,624 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 36 [2020-10-14 07:24:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:08,625 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-10-14 07:24:08,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:24:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-10-14 07:24:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-14 07:24:08,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:08,627 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:08,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:24:08,627 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:08,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:08,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1668529660, now seen corresponding path program 2 times [2020-10-14 07:24:08,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:08,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131115057] [2020-10-14 07:24:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:08,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:08,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:08,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 07:24:08,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 07:24:08,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:08,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:24:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:09,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:09,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:09,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:09,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:09,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:09,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:09,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:09,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:09,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 07:24:09,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:09,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:24:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:09,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:09,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:09,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:09,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:09,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 07:24:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:09,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:09,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:09,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:09,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 07:24:09,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:09,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:09,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:09,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:09,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:09,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:09,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:24:09,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:09,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:09,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:09,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:09,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:09,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:24:09,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:09,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 07:24:09,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131115057] [2020-10-14 07:24:09,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:09,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 07:24:09,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051567875] [2020-10-14 07:24:09,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 07:24:09,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:09,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 07:24:09,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:24:09,821 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 16 states. [2020-10-14 07:24:10,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:10,187 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2020-10-14 07:24:10,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 07:24:10,188 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2020-10-14 07:24:10,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:10,189 INFO L225 Difference]: With dead ends: 54 [2020-10-14 07:24:10,189 INFO L226 Difference]: Without dead ends: 50 [2020-10-14 07:24:10,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2020-10-14 07:24:10,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-14 07:24:10,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 39. [2020-10-14 07:24:10,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-14 07:24:10,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-10-14 07:24:10,197 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 43 [2020-10-14 07:24:10,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:10,197 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-10-14 07:24:10,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 07:24:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-10-14 07:24:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 07:24:10,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:10,200 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:10,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:24:10,200 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:10,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:10,201 INFO L82 PathProgramCache]: Analyzing trace with hash -150927713, now seen corresponding path program 2 times [2020-10-14 07:24:10,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:10,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908835222] [2020-10-14 07:24:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:10,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:10,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 07:24:10,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:10,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-14 07:24:10,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:10,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 07:24:10,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:10,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:10,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:10,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:24:10,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:10,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:10,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:11,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-14 07:24:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:11,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:24:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:11,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:11,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:11,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:11,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:11,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:11,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-14 07:24:11,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:11,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:11,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:11,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:11,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:11,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:11,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:11,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:11,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 07:24:11,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:11,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:11,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:11,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:11,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:11,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 07:24:11,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:11,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:11,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:11,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:11,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:11,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:11,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:24:11,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:11,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:11,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:24:11,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:11,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 07:24:11,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908835222] [2020-10-14 07:24:11,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:11,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 07:24:11,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61845047] [2020-10-14 07:24:11,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 07:24:11,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:11,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 07:24:11,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:24:11,784 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 17 states. [2020-10-14 07:24:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:12,288 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-10-14 07:24:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:24:12,289 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2020-10-14 07:24:12,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:12,290 INFO L225 Difference]: With dead ends: 60 [2020-10-14 07:24:12,290 INFO L226 Difference]: Without dead ends: 56 [2020-10-14 07:24:12,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2020-10-14 07:24:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-14 07:24:12,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2020-10-14 07:24:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-14 07:24:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-10-14 07:24:12,298 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 50 [2020-10-14 07:24:12,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:12,299 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-10-14 07:24:12,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 07:24:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-10-14 07:24:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 07:24:12,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:12,300 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:12,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:24:12,301 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:12,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:12,301 INFO L82 PathProgramCache]: Analyzing trace with hash -308892384, now seen corresponding path program 3 times [2020-10-14 07:24:12,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:12,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185964379] [2020-10-14 07:24:12,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:12,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:12,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 07:24:12,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-14 07:24:12,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:12,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 07:24:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:12,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:12,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:12,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:12,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:12,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:12,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:12,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:12,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:12,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:13,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:13,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-14 07:24:13,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:13,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:24:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:13,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:13,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:13,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:13,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:13,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-14 07:24:13,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:13,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:13,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:13,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:13,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:13,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:13,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 07:24:13,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:13,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:13,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:13,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:13,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:13,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:13,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 07:24:13,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:13,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:13,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:13,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:24:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:14,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:14,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:14,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:14,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:14,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 07:24:14,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:14,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:14,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:14,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:14,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:14,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:24:14,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:14,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:14,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 07:24:14,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185964379] [2020-10-14 07:24:14,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:14,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 07:24:14,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687767779] [2020-10-14 07:24:14,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 07:24:14,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:14,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 07:24:14,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:24:14,373 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 19 states. [2020-10-14 07:24:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:15,082 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2020-10-14 07:24:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 07:24:15,083 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 57 [2020-10-14 07:24:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:15,084 INFO L225 Difference]: With dead ends: 66 [2020-10-14 07:24:15,084 INFO L226 Difference]: Without dead ends: 62 [2020-10-14 07:24:15,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2020-10-14 07:24:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-14 07:24:15,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 45. [2020-10-14 07:24:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-14 07:24:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2020-10-14 07:24:15,091 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 57 [2020-10-14 07:24:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:15,092 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2020-10-14 07:24:15,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 07:24:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2020-10-14 07:24:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 07:24:15,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:15,093 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:15,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:24:15,094 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:15,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:15,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1668346559, now seen corresponding path program 3 times [2020-10-14 07:24:15,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:15,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555338615] [2020-10-14 07:24:15,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:15,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:15,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 07:24:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-14 07:24:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:15,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 07:24:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:15,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:15,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:15,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:24:15,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:15,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:15,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:15,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:15,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:15,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:15,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:15,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-14 07:24:15,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:15,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:24:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:15,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:15,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:15,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:16,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:16,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:16,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:16,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 07:24:16,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:16,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:16,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:16,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:16,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:16,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:16,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 07:24:16,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:16,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:16,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:16,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:16,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:16,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:16,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:16,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 07:24:16,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:16,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:16,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:16,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:16,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:16,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:16,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:16,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 07:24:16,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:16,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:16,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:16,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:16,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:16,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:16,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 07:24:16,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:16,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:16,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:16,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:17,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:24:17,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:17,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:17,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:17,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:17,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:17,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:24:17,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:17,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:17,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:17,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-14 07:24:17,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555338615] [2020-10-14 07:24:17,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:17,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 07:24:17,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342350402] [2020-10-14 07:24:17,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 07:24:17,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:17,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 07:24:17,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-14 07:24:17,165 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 21 states. [2020-10-14 07:24:17,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:17,900 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2020-10-14 07:24:17,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 07:24:17,901 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 64 [2020-10-14 07:24:17,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:17,902 INFO L225 Difference]: With dead ends: 72 [2020-10-14 07:24:17,902 INFO L226 Difference]: Without dead ends: 68 [2020-10-14 07:24:17,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 14 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=1161, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 07:24:17,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-14 07:24:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 48. [2020-10-14 07:24:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-14 07:24:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2020-10-14 07:24:17,919 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 64 [2020-10-14 07:24:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:17,919 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2020-10-14 07:24:17,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 07:24:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2020-10-14 07:24:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 07:24:17,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:17,921 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:17,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:24:17,925 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:17,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:17,926 INFO L82 PathProgramCache]: Analyzing trace with hash 353359300, now seen corresponding path program 4 times [2020-10-14 07:24:17,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:17,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920024543] [2020-10-14 07:24:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:17,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:18,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:18,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 07:24:18,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-10-14 07:24:18,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:18,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 07:24:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:18,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:18,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:18,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:18,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:18,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:24:18,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:18,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:18,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:18,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:18,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:18,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:18,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:18,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 07:24:18,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:18,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:18,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:24:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:19,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:19,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:19,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:19,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:19,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-14 07:24:19,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:19,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:19,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:19,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-14 07:24:19,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:19,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:19,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:19,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:19,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:19,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:19,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:19,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-14 07:24:19,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:19,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:19,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:20,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:20,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:20,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 07:24:20,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:20,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:20,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:20,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:20,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 07:24:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:20,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:24:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:20,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:20,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:20,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:20,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 07:24:20,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:20,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:20,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:20,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:20,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:20,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:24:20,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:20,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:20,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:20,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:20,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:24:20,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:20,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:20,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:20,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 07:24:20,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920024543] [2020-10-14 07:24:20,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:20,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 07:24:20,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973604174] [2020-10-14 07:24:20,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 07:24:20,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 07:24:20,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:24:20,625 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 23 states. [2020-10-14 07:24:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:21,752 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-10-14 07:24:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 07:24:21,753 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-10-14 07:24:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:21,754 INFO L225 Difference]: With dead ends: 78 [2020-10-14 07:24:21,755 INFO L226 Difference]: Without dead ends: 74 [2020-10-14 07:24:21,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=111, Invalid=1449, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 07:24:21,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-14 07:24:21,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 51. [2020-10-14 07:24:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-14 07:24:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-10-14 07:24:21,769 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 71 [2020-10-14 07:24:21,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:21,770 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-10-14 07:24:21,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 07:24:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-10-14 07:24:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 07:24:21,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:21,772 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:21,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 07:24:21,774 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash -165146017, now seen corresponding path program 4 times [2020-10-14 07:24:21,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:21,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865577757] [2020-10-14 07:24:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:21,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-14 07:24:22,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-14 07:24:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:22,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:24:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 07:24:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:22,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:22,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:22,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:22,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:22,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:22,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:22,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:23,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:24:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-14 07:24:23,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:23,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:24:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:24:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:23,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:23,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:23,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:23,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-14 07:24:23,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:23,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:23,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:23,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:23,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:23,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:23,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:23,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-14 07:24:23,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:23,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:24,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:24,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:24,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:24,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-14 07:24:24,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:24,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:24,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:24,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:24,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:24,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:24,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:24,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-14 07:24:24,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:24,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:24,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:24,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:24,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:24,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:24,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 07:24:24,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:24,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:24,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:24,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:24,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:24,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:24,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:24:24,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:24,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:24,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:24,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:24,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:24,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:24,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:24,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:24:24,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:24,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:25,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:25,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:25,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:25,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:25,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:24:25,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:25,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:25,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:25,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:25,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:25,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:25,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:24:25,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:25,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:25,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:25,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:24:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 07:24:25,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865577757] [2020-10-14 07:24:25,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:25,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 07:24:25,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808344698] [2020-10-14 07:24:25,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 07:24:25,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:25,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 07:24:25,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-14 07:24:25,351 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 25 states. [2020-10-14 07:24:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:26,543 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2020-10-14 07:24:26,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 07:24:26,543 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 78 [2020-10-14 07:24:26,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:26,544 INFO L225 Difference]: With dead ends: 84 [2020-10-14 07:24:26,545 INFO L226 Difference]: Without dead ends: 80 [2020-10-14 07:24:26,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=1769, Unknown=0, NotChecked=0, Total=1892 [2020-10-14 07:24:26,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-14 07:24:26,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 54. [2020-10-14 07:24:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 07:24:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-10-14 07:24:26,553 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 78 [2020-10-14 07:24:26,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:26,553 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-10-14 07:24:26,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 07:24:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-10-14 07:24:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 07:24:26,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:26,555 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:26,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 07:24:26,555 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:26,555 INFO L82 PathProgramCache]: Analyzing trace with hash 462698472, now seen corresponding path program 5 times [2020-10-14 07:24:26,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:26,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210805347] [2020-10-14 07:24:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:26,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:27,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:27,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:24:27,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:27,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-14 07:24:27,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:27,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:24:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 07:24:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:27,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:27,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:27,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:27,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:27,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:24:27,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:27,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:27,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:27,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:27,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:24:27,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-14 07:24:27,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:27,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 07:24:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:24:27,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:27,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:27,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:28,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:24:28,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-14 07:24:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:28,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:24:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:24:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:28,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:28,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:28,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 07:24:28,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:28,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:28,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:28,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:28,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:29,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:29,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:29,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-14 07:24:29,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:29,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:29,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:29,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:29,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:29,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:29,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:29,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:29,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:29,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 07:24:29,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:29,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:29,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:29,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:29,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:29,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:29,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:29,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:29,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 07:24:29,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:29,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:29,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:29,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:29,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:29,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:29,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:29,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:29,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:29,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:29,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:24:29,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:29,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:29,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:30,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:30,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:24:30,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:30,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:30,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:30,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:24:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:30,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:30,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:30,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:30,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:30,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:30,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:30,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:24:30,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:30,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:30,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:30,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:30,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:30,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 07:24:30,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210805347] [2020-10-14 07:24:30,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:30,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-14 07:24:30,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069970233] [2020-10-14 07:24:30,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-14 07:24:30,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:30,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-14 07:24:30,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-14 07:24:30,428 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 27 states. [2020-10-14 07:24:31,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:31,716 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2020-10-14 07:24:31,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 07:24:31,716 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 85 [2020-10-14 07:24:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:31,718 INFO L225 Difference]: With dead ends: 90 [2020-10-14 07:24:31,718 INFO L226 Difference]: Without dead ends: 86 [2020-10-14 07:24:31,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=135, Invalid=2121, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 07:24:31,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-14 07:24:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 57. [2020-10-14 07:24:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 07:24:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-10-14 07:24:31,734 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 85 [2020-10-14 07:24:31,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:31,734 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-10-14 07:24:31,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-14 07:24:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-10-14 07:24:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 07:24:31,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:31,739 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:31,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 07:24:31,739 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:31,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:31,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1580751489, now seen corresponding path program 5 times [2020-10-14 07:24:31,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:31,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [358240960] [2020-10-14 07:24:31,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:31,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:32,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:32,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 07:24:32,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-14 07:24:32,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:32,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:24:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 07:24:32,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:32,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:32,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:32,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:32,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:32,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:32,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:32,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:32,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:32,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:32,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:33,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:33,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:24:33,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-14 07:24:33,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:33,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-14 07:24:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:24:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:33,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:33,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:33,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:24:33,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:24:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:33,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:33,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:33,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:33,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:24:33,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-14 07:24:33,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:33,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:24:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:24:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:33,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:33,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:34,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-14 07:24:34,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:34,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:34,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:34,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 07:24:34,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:34,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:34,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 07:24:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:34,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 07:24:34,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:34,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 07:24:34,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:34,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:34,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:24:34,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:34,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:24:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:34,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:24:34,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:34,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:35,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:35,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:35,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:35,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:24:35,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:35,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:35,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:35,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:24:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:35,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:35,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:35,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:24:35,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:35,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:24:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 07:24:35,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [358240960] [2020-10-14 07:24:35,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:35,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 07:24:35,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441032717] [2020-10-14 07:24:35,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 07:24:35,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:35,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 07:24:35,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-14 07:24:35,274 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 29 states. [2020-10-14 07:24:36,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:36,685 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2020-10-14 07:24:36,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 07:24:36,685 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 92 [2020-10-14 07:24:36,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:36,687 INFO L225 Difference]: With dead ends: 96 [2020-10-14 07:24:36,687 INFO L226 Difference]: Without dead ends: 92 [2020-10-14 07:24:36,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 20 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=147, Invalid=2505, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 07:24:36,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-14 07:24:36,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 60. [2020-10-14 07:24:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 07:24:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-10-14 07:24:36,697 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 92 [2020-10-14 07:24:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:36,698 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-10-14 07:24:36,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 07:24:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-10-14 07:24:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 07:24:36,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:36,700 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:36,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 07:24:36,701 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:36,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:36,701 INFO L82 PathProgramCache]: Analyzing trace with hash 165729164, now seen corresponding path program 6 times [2020-10-14 07:24:36,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:36,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452306389] [2020-10-14 07:24:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:36,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:37,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:24:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:37,555 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2020-10-14 07:24:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:37,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:37,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:37,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:37,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:24:37,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:37,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:37,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:38,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:24:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:38,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:38,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:24:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-14 07:24:38,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:38,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:38,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:24:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:24:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:38,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:39,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:24:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:24:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:39,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:24:39,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-14 07:24:39,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:39,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:24:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:24:39,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:39,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:40,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:40,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:40,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:40,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-14 07:24:40,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:40,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:40,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:40,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:40,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 07:24:40,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:40,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:40,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:40,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:40,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:40,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:40,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:40,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 07:24:40,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:40,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:40,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:40,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:40,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 07:24:40,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:40,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:40,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:40,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:40,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:40,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:40,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:40,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:40,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:40,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 07:24:40,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:40,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:40,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:41,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:41,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 07:24:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:41,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:24:41,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:41,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:41,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:41,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:41,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:41,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:24:41,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:41,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:41,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:41,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:41,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:41,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:41,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:24:41,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:41,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:41,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:41,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:41,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:41,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:41,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:41,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:24:41,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:41,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:41,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-14 07:24:41,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452306389] [2020-10-14 07:24:41,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:41,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-14 07:24:41,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069430020] [2020-10-14 07:24:41,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-14 07:24:41,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:41,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-14 07:24:41,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=928, Unknown=0, NotChecked=0, Total=992 [2020-10-14 07:24:41,663 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 32 states. [2020-10-14 07:24:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:43,299 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2020-10-14 07:24:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 07:24:43,301 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 99 [2020-10-14 07:24:43,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:43,302 INFO L225 Difference]: With dead ends: 102 [2020-10-14 07:24:43,302 INFO L226 Difference]: Without dead ends: 98 [2020-10-14 07:24:43,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=176, Invalid=3016, Unknown=0, NotChecked=0, Total=3192 [2020-10-14 07:24:43,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-14 07:24:43,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 63. [2020-10-14 07:24:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-14 07:24:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2020-10-14 07:24:43,309 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 99 [2020-10-14 07:24:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:43,310 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2020-10-14 07:24:43,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-14 07:24:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-10-14 07:24:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 07:24:43,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:43,311 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:43,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 07:24:43,311 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:43,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:43,312 INFO L82 PathProgramCache]: Analyzing trace with hash -684135393, now seen corresponding path program 6 times [2020-10-14 07:24:43,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:43,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963634792] [2020-10-14 07:24:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:43,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 07:24:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:43,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:43,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:43,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:43,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:43,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:24:43,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:43,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:43,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:43,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:44,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:44,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:24:44,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:44,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-14 07:24:44,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:44,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-14 07:24:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:24:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:44,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:44,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:45,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:45,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:24:45,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-14 07:24:45,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:45,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:24:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:45,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:24:45,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:45,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:45,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:24:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-10-14 07:24:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:45,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:24:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:24:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:45,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:45,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:45,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:24:45,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-14 07:24:45,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:45,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:24:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:24:45,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:45,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:46,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:24:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-14 07:24:46,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:46,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:24:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:24:46,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:46,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:46,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:46,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 07:24:46,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:46,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:46,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:46,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:46,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:46,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 07:24:46,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:46,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:46,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:46,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:46,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:46,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:46,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 07:24:46,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:46,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:47,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:47,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:47,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:47,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:47,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 07:24:47,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:47,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:47,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:47,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:47,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:47,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:47,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:47,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:24:47,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:47,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:47,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:47,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:47,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:47,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:47,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:24:47,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:47,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:47,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:47,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:47,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:47,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:24:47,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:47,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:47,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:47,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:47,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:47,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:47,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:47,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:24:47,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:47,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-14 07:24:47,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963634792] [2020-10-14 07:24:47,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:47,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 07:24:47,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168814195] [2020-10-14 07:24:47,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 07:24:47,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:47,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 07:24:47,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 07:24:47,669 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 33 states. [2020-10-14 07:24:49,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:49,526 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2020-10-14 07:24:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 07:24:49,526 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 106 [2020-10-14 07:24:49,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:49,529 INFO L225 Difference]: With dead ends: 108 [2020-10-14 07:24:49,529 INFO L226 Difference]: Without dead ends: 104 [2020-10-14 07:24:49,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=171, Invalid=3369, Unknown=0, NotChecked=0, Total=3540 [2020-10-14 07:24:49,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-14 07:24:49,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 66. [2020-10-14 07:24:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-14 07:24:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2020-10-14 07:24:49,537 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 106 [2020-10-14 07:24:49,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:49,537 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2020-10-14 07:24:49,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 07:24:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-10-14 07:24:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 07:24:49,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:49,538 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:49,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 07:24:49,539 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:49,539 INFO L82 PathProgramCache]: Analyzing trace with hash -876959568, now seen corresponding path program 7 times [2020-10-14 07:24:49,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:49,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906975485] [2020-10-14 07:24:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:49,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:50,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 07:24:50,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:50,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:50,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:50,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:50,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:50,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:24:50,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:50,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:50,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:50,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:50,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-14 07:24:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:50,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:24:50,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:50,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:51,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:51,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:24:51,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 948 [2020-10-14 07:24:51,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:51,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:24:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:24:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:51,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:52,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:52,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:24:52,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:52,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-14 07:24:52,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:52,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:24:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:24:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:52,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:52,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:24:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:52,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:53,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:53,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:24:53,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-14 07:24:53,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:53,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:24:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:24:53,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:53,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:53,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:24:53,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:53,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-14 07:24:53,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:53,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:24:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:24:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:53,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:53,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:53,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:24:53,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-14 07:24:53,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:53,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:24:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:53,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:24:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:53,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:53,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:53,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:53,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:24:53,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 07:24:53,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:53,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:24:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:24:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:54,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:54,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:54,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:54,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:24:54,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:54,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 07:24:54,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:54,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:24:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:24:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:54,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:54,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:24:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 07:24:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:54,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:24:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:24:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:54,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:54,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:54,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:24:54,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:54,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 07:24:54,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:54,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:54,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:24:54,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:54,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:24:54,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:54,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:54,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:54,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:54,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:24:54,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:54,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 07:24:54,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:54,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:24:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:24:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:54,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:54,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:54,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:24:54,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 07:24:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:54,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:24:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:24:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:54,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:54,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:54,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:24:54,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:24:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:54,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:24:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:24:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:55,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:55,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:55,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:55,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:24:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:24:55,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:55,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:24:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:24:55,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:24:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2020-10-14 07:24:55,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906975485] [2020-10-14 07:24:55,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:24:55,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 07:24:55,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504111490] [2020-10-14 07:24:55,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 07:24:55,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:24:55,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 07:24:55,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 07:24:55,254 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 35 states. [2020-10-14 07:24:57,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:24:57,337 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2020-10-14 07:24:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 07:24:57,338 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 113 [2020-10-14 07:24:57,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:24:57,339 INFO L225 Difference]: With dead ends: 114 [2020-10-14 07:24:57,339 INFO L226 Difference]: Without dead ends: 110 [2020-10-14 07:24:57,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 25 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=183, Invalid=3849, Unknown=0, NotChecked=0, Total=4032 [2020-10-14 07:24:57,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-14 07:24:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 69. [2020-10-14 07:24:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-14 07:24:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2020-10-14 07:24:57,348 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 113 [2020-10-14 07:24:57,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:24:57,349 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2020-10-14 07:24:57,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 07:24:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-10-14 07:24:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 07:24:57,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:24:57,351 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:24:57,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 07:24:57,351 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:24:57,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:24:57,352 INFO L82 PathProgramCache]: Analyzing trace with hash -307419585, now seen corresponding path program 7 times [2020-10-14 07:24:57,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:24:57,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278609406] [2020-10-14 07:24:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:24:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:57,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:58,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:24:58,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:24:58,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 07:24:58,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:58,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:24:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:58,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:58,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:58,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:24:58,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:58,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:24:58,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:58,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:24:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:24:58,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:58,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:24:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:58,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:58,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:58,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:24:58,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-10-14 07:24:58,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:58,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-10-14 07:24:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:58,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:24:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:58,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:59,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:24:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:59,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:24:59,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:24:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:24:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:24:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:24:59,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:24:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:24:59,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:00,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:00,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:25:00,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:00,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-14 07:25:00,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:00,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:25:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:25:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:00,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:00,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:00,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:25:00,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:25:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:00,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:00,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:00,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:25:00,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-14 07:25:00,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:00,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:00,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:25:00,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:25:00,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:01,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:01,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:01,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:25:01,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:25:01,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:01,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:01,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:01,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:25:01,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:01,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 07:25:01,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:01,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:25:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:25:01,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:01,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:01,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:25:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 07:25:01,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:01,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:25:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:25:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:01,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:01,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:01,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:01,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:25:01,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:01,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 07:25:01,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:01,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:25:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:25:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:02,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:02,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:25:02,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 07:25:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:02,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:25:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:25:02,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:02,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:02,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:25:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 07:25:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:02,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:25:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:25:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:02,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:02,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:25:02,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:25:02,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:02,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:25:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:25:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:02,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:02,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:02,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:25:02,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:02,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 07:25:02,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:02,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:02,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:25:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:25:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:25:02,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:02,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:02,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:02,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:25:02,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:02,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:25:02,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:02,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:25:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:25:02,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:02,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:25:02,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:25:02,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:02,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:25:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:25:02,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:25:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-10-14 07:25:03,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278609406] [2020-10-14 07:25:03,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:25:03,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 07:25:03,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704490733] [2020-10-14 07:25:03,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 07:25:03,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:25:03,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 07:25:03,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 07:25:03,302 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 37 states. [2020-10-14 07:25:05,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:25:05,750 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2020-10-14 07:25:05,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-14 07:25:05,750 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 120 [2020-10-14 07:25:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:25:05,752 INFO L225 Difference]: With dead ends: 120 [2020-10-14 07:25:05,752 INFO L226 Difference]: Without dead ends: 116 [2020-10-14 07:25:05,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 26 SyntacticMatches, 8 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=195, Invalid=4361, Unknown=0, NotChecked=0, Total=4556 [2020-10-14 07:25:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-14 07:25:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 72. [2020-10-14 07:25:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-14 07:25:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2020-10-14 07:25:05,766 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 120 [2020-10-14 07:25:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:25:05,766 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2020-10-14 07:25:05,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 07:25:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2020-10-14 07:25:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 07:25:05,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:25:05,770 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:25:05,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 07:25:05,770 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:25:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:25:05,771 INFO L82 PathProgramCache]: Analyzing trace with hash -873547948, now seen corresponding path program 8 times [2020-10-14 07:25:05,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:25:05,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455093947] [2020-10-14 07:25:05,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:25:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:06,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:06,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 07:25:06,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1196 [2020-10-14 07:25:06,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:06,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:25:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:25:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-14 07:25:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:25:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:25:07,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:25:07,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:07,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:25:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:25:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:07,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:25:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:07,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:07,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 69 [2020-10-14 07:25:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:25:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:07,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:07,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:08,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 680 [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:25:08,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:08,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:25:08,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:09,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:25:09,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 760 [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:25:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:10,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:10,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:25:10,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:10,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-14 07:25:10,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:10,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:25:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:25:10,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:10,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:10,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:10,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:25:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:10,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:10,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:11,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:11,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:25:11,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 696 [2020-10-14 07:25:11,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:11,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:25:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:11,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:25:11,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:11,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:11,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:11,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:11,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:25:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:12,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:12,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:12,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:25:12,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:12,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 07:25:12,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:12,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:25:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:25:12,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:12,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:12,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:12,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:12,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:25:12,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 07:25:12,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:12,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:25:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:25:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:12,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:12,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:12,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:25:12,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 07:25:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:12,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:25:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:25:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:13,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:13,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:25:13,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:13,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 07:25:13,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:13,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:25:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:25:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:13,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:13,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:13,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:25:13,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 07:25:13,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:13,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:25:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:25:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:13,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:25:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 07:25:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:13,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:25:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:25:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:13,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:13,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:13,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:13,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:25:13,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:13,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 07:25:13,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:13,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:25:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:25:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:13,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:13,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:13,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:25:13,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:13,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:25:13,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:13,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:25:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:25:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:13,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:13,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:25:13,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:25:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:13,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:25:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:25:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:14,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:14,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:14,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:25:14,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:25:14,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:14,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:25:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:25:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-10-14 07:25:14,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455093947] [2020-10-14 07:25:14,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:25:14,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-14 07:25:14,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361873166] [2020-10-14 07:25:14,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-14 07:25:14,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:25:14,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-14 07:25:14,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1480, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 07:25:14,393 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 40 states. [2020-10-14 07:25:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:25:17,213 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2020-10-14 07:25:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 07:25:17,213 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 127 [2020-10-14 07:25:17,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:25:17,215 INFO L225 Difference]: With dead ends: 126 [2020-10-14 07:25:17,215 INFO L226 Difference]: Without dead ends: 122 [2020-10-14 07:25:17,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 24 SyntacticMatches, 11 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=228, Invalid=5028, Unknown=0, NotChecked=0, Total=5256 [2020-10-14 07:25:17,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-14 07:25:17,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 75. [2020-10-14 07:25:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-14 07:25:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2020-10-14 07:25:17,223 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 127 [2020-10-14 07:25:17,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:25:17,224 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2020-10-14 07:25:17,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-14 07:25:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2020-10-14 07:25:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 07:25:17,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:25:17,227 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:25:17,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 07:25:17,227 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:25:17,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:25:17,228 INFO L82 PathProgramCache]: Analyzing trace with hash 178099167, now seen corresponding path program 8 times [2020-10-14 07:25:17,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:25:17,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136162712] [2020-10-14 07:25:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:25:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:18,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:18,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 07:25:18,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 996 [2020-10-14 07:25:18,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:18,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:25:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:25:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 07:25:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:25:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:18,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:18,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:18,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:25:18,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:25:18,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:18,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:25:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:25:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:25:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:18,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:19,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:19,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:25:19,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-14 07:25:19,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:19,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 73 [2020-10-14 07:25:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:25:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:19,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:19,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:19,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:25:19,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-14 07:25:19,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:19,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:25:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:25:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:19,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:19,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:20,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:20,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:25:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-14 07:25:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:20,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:25:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:25:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:20,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:21,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:21,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:25:21,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-14 07:25:21,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:21,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:25:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:25:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:21,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:21,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:25:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:25:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:21,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:25:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-14 07:25:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:21,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:25:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:25:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:22,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:22,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:22,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:22,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:25:22,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:22,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:22,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:22,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:22,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:25:22,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-14 07:25:22,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:22,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:25:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:22,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:25:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:22,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:22,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:22,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:25:22,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 07:25:22,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:22,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:25:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:25:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:23,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:23,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:23,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:23,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:25:23,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 07:25:23,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:23,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:25:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:25:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:23,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:23,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:23,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:25:23,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:23,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 07:25:23,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:23,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:25:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:25:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:23,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:23,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:23,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:25:23,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 07:25:23,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:23,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:25:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:25:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:23,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:25:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 07:25:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:23,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:25:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:25:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:23,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:23,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:25:23,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 07:25:23,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:23,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:25:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:25:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:24,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:24,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:24,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:25:24,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 07:25:24,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:24,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:24,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:25:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:25:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:24,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:24,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:24,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:25:24,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:24,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:25:24,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:24,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:25:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:25:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:24,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:24,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:24,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:24,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:25:24,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:25:24,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:24,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:25:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:25:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:24,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:24,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:24,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:24,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:25:24,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:25:24,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:24,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:25:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:24,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:25:24,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-10-14 07:25:24,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136162712] [2020-10-14 07:25:24,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:25:24,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-14 07:25:24,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553352627] [2020-10-14 07:25:24,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-14 07:25:24,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:25:24,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-14 07:25:24,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 07:25:24,852 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 41 states. [2020-10-14 07:25:27,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:25:27,765 INFO L93 Difference]: Finished difference Result 132 states and 134 transitions. [2020-10-14 07:25:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-14 07:25:27,766 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 134 [2020-10-14 07:25:27,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:25:27,768 INFO L225 Difference]: With dead ends: 132 [2020-10-14 07:25:27,768 INFO L226 Difference]: Without dead ends: 128 [2020-10-14 07:25:27,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 27 SyntacticMatches, 11 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=219, Invalid=5481, Unknown=0, NotChecked=0, Total=5700 [2020-10-14 07:25:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-14 07:25:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 78. [2020-10-14 07:25:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-14 07:25:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2020-10-14 07:25:27,777 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 134 [2020-10-14 07:25:27,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:25:27,777 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2020-10-14 07:25:27,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-14 07:25:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2020-10-14 07:25:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 07:25:27,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:25:27,780 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:25:27,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 07:25:27,780 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:25:27,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:25:27,780 INFO L82 PathProgramCache]: Analyzing trace with hash 273809272, now seen corresponding path program 9 times [2020-10-14 07:25:27,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:25:27,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775826716] [2020-10-14 07:25:27,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:25:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:27,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:28,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:25:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:25:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-14 07:25:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:28,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:25:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:28,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:28,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:25:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:25:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:28,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:25:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:28,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:29,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 77 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:25:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:29,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:29,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:30,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:25:30,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 783 [2020-10-14 07:25:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:30,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:25:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:25:30,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:30,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:30,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:31,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:31,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:25:31,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 678 [2020-10-14 07:25:31,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:31,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:25:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:25:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:31,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:31,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:32,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 634 [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:25:32,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:32,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:25:32,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:32,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:32,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:32,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:25:32,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-14 07:25:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:32,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:25:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:25:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:32,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:33,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:33,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:25:33,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:33,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 07:25:33,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:33,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:33,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:25:33,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:33,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:25:33,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:33,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:33,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:25:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-14 07:25:33,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:33,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:25:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:25:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:33,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:33,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:34,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:34,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:25:34,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:34,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-14 07:25:34,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:34,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:25:34,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:34,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:25:34,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 07:25:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:34,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:34,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:34,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:25:34,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-14 07:25:34,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:34,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:25:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:25:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:34,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:34,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:34,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:34,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:25:34,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:34,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-14 07:25:34,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:34,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:25:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:25:34,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:35,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:25:35,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 07:25:35,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:35,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:25:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:25:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:35,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:35,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:35,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:25:35,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 07:25:35,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:35,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:25:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:25:35,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:35,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:25:35,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:35,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:35,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:35,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:25:35,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 07:25:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:35,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:25:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:25:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:35,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:35,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:35,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:25:35,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:35,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 07:25:35,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:35,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:25:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:25:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:36,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:36,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:36,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:25:36,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:25:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:36,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:25:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:25:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:36,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:36,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:25:36,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:25:36,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:36,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:25:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:25:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:36,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:36,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:36,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:25:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:25:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:36,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:25:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:25:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:36,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:36,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:36,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:36,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:25:36,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:25:36,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:36,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:25:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:25:36,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-14 07:25:36,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775826716] [2020-10-14 07:25:36,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:25:36,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-14 07:25:36,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977252513] [2020-10-14 07:25:36,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-14 07:25:36,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:25:36,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-14 07:25:36,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 07:25:36,937 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 43 states. [2020-10-14 07:25:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:25:40,241 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2020-10-14 07:25:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-14 07:25:40,244 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 141 [2020-10-14 07:25:40,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:25:40,245 INFO L225 Difference]: With dead ends: 138 [2020-10-14 07:25:40,245 INFO L226 Difference]: Without dead ends: 134 [2020-10-14 07:25:40,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 33 SyntacticMatches, 7 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=231, Invalid=6089, Unknown=0, NotChecked=0, Total=6320 [2020-10-14 07:25:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-14 07:25:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 81. [2020-10-14 07:25:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 07:25:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2020-10-14 07:25:40,254 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 141 [2020-10-14 07:25:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:25:40,254 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2020-10-14 07:25:40,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-14 07:25:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2020-10-14 07:25:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 07:25:40,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:25:40,256 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:25:40,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 07:25:40,257 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:25:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:25:40,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1983154945, now seen corresponding path program 9 times [2020-10-14 07:25:40,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:25:40,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218939963] [2020-10-14 07:25:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:25:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:41,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:41,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-14 07:25:41,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1149 [2020-10-14 07:25:41,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:41,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:25:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:25:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 07:25:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:25:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:41,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:41,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:41,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:25:41,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:41,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:25:41,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:41,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:25:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:25:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:25:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:42,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:42,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:25:42,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:42,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-14 07:25:42,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:42,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 81 [2020-10-14 07:25:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:25:42,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:42,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:43,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:43,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:25:43,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 819 [2020-10-14 07:25:43,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:43,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:25:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:25:43,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:43,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:44,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:44,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:25:44,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:44,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-10-14 07:25:44,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:44,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:25:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:25:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:44,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:44,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:25:44,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:44,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-14 07:25:44,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:44,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:25:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:25:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:44,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:44,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:45,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:45,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:25:45,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-14 07:25:45,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:45,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:25:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:25:45,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:45,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:46,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:46,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:25:46,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-14 07:25:46,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:46,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:25:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:25:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:46,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:46,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:46,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:25:46,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-14 07:25:46,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:46,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:25:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:25:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:46,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:47,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:47,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:25:47,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:47,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-14 07:25:47,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:47,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:25:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:25:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:47,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:47,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:47,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:47,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:25:47,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-14 07:25:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:47,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:25:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:25:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:47,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:47,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:25:47,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-14 07:25:47,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:47,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:25:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:25:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:47,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:47,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:48,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:48,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:25:48,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 07:25:48,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:48,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:25:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:25:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:48,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:48,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:25:48,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-14 07:25:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:48,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:25:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:25:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:48,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:48,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:48,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:48,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:25:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 07:25:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:48,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:25:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:25:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:48,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:48,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:48,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:25:48,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 07:25:48,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:48,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:25:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:25:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:49,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:49,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:49,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:49,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:25:49,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:49,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 07:25:49,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:49,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:25:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:25:49,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:49,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:49,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:25:49,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 07:25:49,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:49,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:25:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:25:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:49,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:49,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:49,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:25:49,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:49,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:25:49,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:49,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:25:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:25:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:49,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:49,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:25:49,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 07:25:49,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:49,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:25:49,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:49,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:25:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:49,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:49,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:49,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:49,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:25:49,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:25:49,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:49,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:25:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:25:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:49,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:49,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:49,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:50,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:25:50,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:50,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:25:50,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:50,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:25:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:25:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-10-14 07:25:50,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218939963] [2020-10-14 07:25:50,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:25:50,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-14 07:25:50,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306636225] [2020-10-14 07:25:50,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-14 07:25:50,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:25:50,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-14 07:25:50,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 07:25:50,325 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 45 states. [2020-10-14 07:25:54,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:25:54,019 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2020-10-14 07:25:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-14 07:25:54,019 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 148 [2020-10-14 07:25:54,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:25:54,021 INFO L225 Difference]: With dead ends: 144 [2020-10-14 07:25:54,021 INFO L226 Difference]: Without dead ends: 140 [2020-10-14 07:25:54,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 32 SyntacticMatches, 10 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=243, Invalid=6729, Unknown=0, NotChecked=0, Total=6972 [2020-10-14 07:25:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-14 07:25:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 84. [2020-10-14 07:25:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-14 07:25:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2020-10-14 07:25:54,029 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 148 [2020-10-14 07:25:54,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:25:54,030 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2020-10-14 07:25:54,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-14 07:25:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2020-10-14 07:25:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-14 07:25:54,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:25:54,032 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:25:54,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 07:25:54,032 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:25:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:25:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash -708738788, now seen corresponding path program 10 times [2020-10-14 07:25:54,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:25:54,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160306508] [2020-10-14 07:25:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:25:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:54,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:55,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:55,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1276 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-14 07:25:55,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:55,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:25:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:55,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:55,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:25:55,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:25:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:55,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:25:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:25:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:25:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:55,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:56,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 85 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 07:25:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:56,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:56,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:57,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:25:57,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:25:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:57,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:58,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:58,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:25:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:25:58,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:58,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:25:59,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:25:59,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:25:59,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:25:59,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-10-14 07:25:59,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:25:59,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:25:59,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:25:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:25:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:25:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:25:59,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:25:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:25:59,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:00,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:00,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:26:00,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:26:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:00,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:00,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:01,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:01,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:26:01,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:26:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:01,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:01,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:01,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:26:01,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-10-14 07:26:01,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:01,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:26:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:26:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:01,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:02,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:02,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:26:02,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:02,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-14 07:26:02,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:02,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:26:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:02,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:26:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:02,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:02,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:02,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:26:02,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-14 07:26:02,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:02,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:26:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:26:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:02,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:03,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:03,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:26:03,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:03,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-14 07:26:03,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:03,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:03,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:26:03,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:03,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:26:03,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:03,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:03,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:03,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:03,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:26:03,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:03,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-14 07:26:03,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:03,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:26:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:26:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:03,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:03,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:03,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:26:03,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:03,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 07:26:03,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:03,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:26:03,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:03,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:26:03,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:04,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:04,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:04,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:26:04,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:04,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 07:26:04,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:04,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:26:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:04,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:26:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:04,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:04,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:04,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:26:04,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:04,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 07:26:04,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:04,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:26:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:26:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:04,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:04,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:04,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:26:04,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 07:26:04,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:04,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:26:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:26:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:04,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:04,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:04,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:04,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:26:04,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:04,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 07:26:04,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:04,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:26:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:26:04,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:05,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:05,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:26:05,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 07:26:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:05,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:26:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:26:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:05,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:05,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:05,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:05,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:26:05,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:05,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:26:05,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:05,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:05,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:26:05,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:26:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:05,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:05,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:26:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:26:05,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:05,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:26:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:26:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:05,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:05,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:05,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:26:05,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:26:05,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:05,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:26:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:26:05,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:05,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:05,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:05,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:05,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:26:05,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:05,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:26:05,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:05,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:26:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:26:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2020-10-14 07:26:06,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160306508] [2020-10-14 07:26:06,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:26:06,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-14 07:26:06,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269055269] [2020-10-14 07:26:06,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-14 07:26:06,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:26:06,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-14 07:26:06,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 07:26:06,244 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand 47 states. [2020-10-14 07:26:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:26:10,164 INFO L93 Difference]: Finished difference Result 150 states and 152 transitions. [2020-10-14 07:26:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-14 07:26:10,164 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 155 [2020-10-14 07:26:10,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:26:10,166 INFO L225 Difference]: With dead ends: 150 [2020-10-14 07:26:10,166 INFO L226 Difference]: Without dead ends: 146 [2020-10-14 07:26:10,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 35 SyntacticMatches, 9 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=255, Invalid=7401, Unknown=0, NotChecked=0, Total=7656 [2020-10-14 07:26:10,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-14 07:26:10,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 87. [2020-10-14 07:26:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-14 07:26:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2020-10-14 07:26:10,173 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 155 [2020-10-14 07:26:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:26:10,173 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2020-10-14 07:26:10,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-14 07:26:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2020-10-14 07:26:10,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 07:26:10,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:26:10,175 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:26:10,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 07:26:10,175 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:26:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:26:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash -448788065, now seen corresponding path program 10 times [2020-10-14 07:26:10,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:26:10,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849712170] [2020-10-14 07:26:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:26:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:11,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 07:26:11,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:11,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1473 [2020-10-14 07:26:11,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:11,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-14 07:26:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:26:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-14 07:26:11,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:11,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:26:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:11,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:11,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:26:11,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:26:11,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:11,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:11,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:26:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:26:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:26:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:11,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:13,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:13,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:26:13,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1328 [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 89 [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:26:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:13,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:13,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:14,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:14,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 07:26:14,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1117 [2020-10-14 07:26:14,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:14,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-14 07:26:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:14,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 07:26:14,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:15,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:15,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:26:15,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 845 [2020-10-14 07:26:15,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:15,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:26:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:26:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:15,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:16,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:26:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:26:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:16,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:16,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:16,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:26:16,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 732 [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:26:16,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:17,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:17,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:17,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:26:17,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 631 [2020-10-14 07:26:17,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:17,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:26:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:26:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:17,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:17,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:18,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:18,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:26:18,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:18,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-14 07:26:18,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:18,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:26:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:26:18,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:18,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:18,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:26:18,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:18,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-10-14 07:26:18,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:18,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:18,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:26:18,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:18,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:26:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:19,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:19,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:19,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:26:19,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-14 07:26:19,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:19,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:26:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:26:19,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:19,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:19,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:19,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:26:19,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-14 07:26:19,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:19,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:26:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:26:19,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:20,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:20,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:20,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:26:20,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-14 07:26:20,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:20,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:26:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:26:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:20,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:20,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:20,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:20,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:26:20,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-14 07:26:20,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:20,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:26:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:26:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:20,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:21,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:21,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:26:21,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 07:26:21,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:21,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:26:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:26:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:21,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:21,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:21,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:21,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:26:21,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 07:26:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:21,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:26:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:26:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:21,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:21,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:21,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:26:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 07:26:21,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:21,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:26:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:26:21,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:21,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:21,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:26:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 07:26:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:21,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:26:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:26:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:21,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:22,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:22,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:26:22,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 07:26:22,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:22,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:26:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:26:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:22,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:22,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:26:22,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 07:26:22,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:22,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:26:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:26:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:22,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:22,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:22,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:22,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:26:22,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:22,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 07:26:22,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:22,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:26:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:26:22,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:22,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:22,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:22,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:22,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:26:22,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:22,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:26:22,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:22,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:26:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:26:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:22,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:22,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:22,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:26:22,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:22,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:26:22,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:22,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:22,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:26:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:26:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:26:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:26:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:23,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:26:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:26:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 350 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2020-10-14 07:26:23,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849712170] [2020-10-14 07:26:23,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:26:23,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-14 07:26:23,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972340931] [2020-10-14 07:26:23,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-14 07:26:23,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:26:23,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-14 07:26:23,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=2350, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 07:26:23,567 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand 50 states. [2020-10-14 07:26:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:26:27,859 INFO L93 Difference]: Finished difference Result 156 states and 158 transitions. [2020-10-14 07:26:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-14 07:26:27,860 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 162 [2020-10-14 07:26:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:26:27,862 INFO L225 Difference]: With dead ends: 156 [2020-10-14 07:26:27,862 INFO L226 Difference]: Without dead ends: 152 [2020-10-14 07:26:27,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 37 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=294, Invalid=8262, Unknown=0, NotChecked=0, Total=8556 [2020-10-14 07:26:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-14 07:26:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 90. [2020-10-14 07:26:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 07:26:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2020-10-14 07:26:27,869 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 162 [2020-10-14 07:26:27,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:26:27,870 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2020-10-14 07:26:27,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-14 07:26:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2020-10-14 07:26:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 07:26:27,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:26:27,871 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:26:27,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 07:26:27,872 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:26:27,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:26:27,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1407042496, now seen corresponding path program 11 times [2020-10-14 07:26:27,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:26:27,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150042797] [2020-10-14 07:26:27,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:26:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:27,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:29,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:29,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 07:26:29,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1638 [2020-10-14 07:26:29,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:29,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-14 07:26:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:26:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-14 07:26:29,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:26:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:29,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:29,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:26:29,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:26:29,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:29,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:26:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:26:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:29,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:26:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:29,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:31,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:31,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 07:26:31,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-14 07:26:31,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:31,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 93 [2020-10-14 07:26:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 07:26:31,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:31,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:32,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:26:32,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-14 07:26:32,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:32,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-14 07:26:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:26:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:33,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 07:26:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-14 07:26:33,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:33,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-14 07:26:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 07:26:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:33,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:33,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 977 [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:26:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:26:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:35,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:35,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:26:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-14 07:26:35,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:35,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:26:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:26:35,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:35,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:36,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:36,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:26:36,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 792 [2020-10-14 07:26:36,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:36,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:26:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:36,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:26:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:36,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:37,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:26:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-10-14 07:26:37,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:37,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:26:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:26:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:37,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:37,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:37,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:26:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:26:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:38,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:38,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:38,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:38,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:26:38,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-14 07:26:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:38,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:26:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:26:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:39,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:39,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:26:39,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-14 07:26:39,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:39,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:26:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:26:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:39,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:39,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:39,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:26:39,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-14 07:26:39,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:39,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:26:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:26:39,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:39,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:40,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:40,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:26:40,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:40,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-14 07:26:40,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:40,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:26:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:26:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:40,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:40,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:26:40,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-14 07:26:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:40,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:26:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:26:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:40,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:40,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:26:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 07:26:40,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:40,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:26:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:26:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:40,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:41,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:41,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:26:41,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 07:26:41,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:41,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:26:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:26:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:41,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:41,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:41,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:41,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:26:41,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 07:26:41,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:41,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:26:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:26:41,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:41,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:26:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 07:26:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:41,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:26:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:26:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:41,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:41,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:26:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 07:26:41,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:41,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:26:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:41,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:26:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:42,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:42,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:42,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:42,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:26:42,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 07:26:42,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:42,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:26:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:26:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:42,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:42,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:42,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:42,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:26:42,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:26:42,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:42,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:26:42,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:26:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:42,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:42,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:42,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:26:42,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:42,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:26:42,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:42,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:26:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:26:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:42,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:42,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:42,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:26:42,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:26:42,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:42,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:26:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:26:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:42,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:42,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:26:42,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:26:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:42,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:26:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:26:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 382 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2020-10-14 07:26:43,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150042797] [2020-10-14 07:26:43,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:26:43,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-14 07:26:43,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028949814] [2020-10-14 07:26:43,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-14 07:26:43,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:26:43,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-14 07:26:43,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=2548, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 07:26:43,519 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand 52 states. [2020-10-14 07:26:48,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:26:48,327 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2020-10-14 07:26:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-14 07:26:48,328 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 169 [2020-10-14 07:26:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:26:48,331 INFO L225 Difference]: With dead ends: 162 [2020-10-14 07:26:48,331 INFO L226 Difference]: Without dead ends: 158 [2020-10-14 07:26:48,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 37 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=306, Invalid=9006, Unknown=0, NotChecked=0, Total=9312 [2020-10-14 07:26:48,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-14 07:26:48,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 93. [2020-10-14 07:26:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-14 07:26:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-10-14 07:26:48,338 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 169 [2020-10-14 07:26:48,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:26:48,339 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-10-14 07:26:48,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-14 07:26:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-10-14 07:26:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-14 07:26:48,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:26:48,340 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:26:48,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 07:26:48,341 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:26:48,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:26:48,341 INFO L82 PathProgramCache]: Analyzing trace with hash 491557311, now seen corresponding path program 11 times [2020-10-14 07:26:48,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:26:48,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780923988] [2020-10-14 07:26:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:26:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:48,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:50,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:50,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 07:26:50,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1712 [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 98 [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-10-14 07:26:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:50,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:26:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:50,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:50,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:26:50,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:50,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:26:50,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:50,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:26:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:26:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:50,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:26:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:50,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:51,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1397 [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 97 [2020-10-14 07:26:51,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:51,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-14 07:26:51,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:51,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:51,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:52,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:52,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 07:26:52,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1324 [2020-10-14 07:26:52,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:52,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-14 07:26:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 07:26:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:52,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:53,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:26:54,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-14 07:26:54,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:54,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-14 07:26:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:26:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:54,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:54,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:55,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:55,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 07:26:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-14 07:26:55,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:55,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-14 07:26:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 07:26:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:26:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:56,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:56,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:26:56,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:56,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-14 07:26:56,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:56,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:26:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:56,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:26:56,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:56,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:56,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:57,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:57,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:26:57,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:57,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-10-14 07:26:57,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:57,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:26:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:26:57,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:58,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:58,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:26:58,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-14 07:26:58,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:58,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:26:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:26:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:58,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:58,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:59,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:59,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:26:59,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:59,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-14 07:26:59,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:59,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:26:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:26:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:26:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:26:59,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:26:59,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:26:59,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-14 07:26:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:26:59,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:26:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:26:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:26:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:26:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:26:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:26:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:26:59,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:00,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:00,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:27:00,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:00,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-14 07:27:00,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:00,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:27:00,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:27:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:00,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:00,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:00,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:27:00,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-14 07:27:00,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:00,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:27:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:27:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:00,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:01,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:01,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:27:01,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-14 07:27:01,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:01,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:27:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:27:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:01,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:01,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:01,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:01,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:27:01,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-14 07:27:01,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:01,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:27:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:27:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:01,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:27:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-14 07:27:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:02,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:27:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:27:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:02,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:02,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:02,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:02,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:27:02,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:02,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-14 07:27:02,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:02,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:27:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:02,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:27:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:02,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:02,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:27:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 07:27:02,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:02,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:27:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:27:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:02,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:02,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:03,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:27:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 07:27:03,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:03,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:27:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:27:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:03,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:03,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:27:03,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 07:27:03,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:03,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:27:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:27:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:03,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:03,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:03,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:03,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:27:03,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:03,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 07:27:03,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:03,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:27:03,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:03,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:27:03,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:03,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:03,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:27:03,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 07:27:03,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:03,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:27:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:27:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:03,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:04,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:04,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:27:04,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:27:04,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:04,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:27:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:27:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:04,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:04,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:04,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:04,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:27:04,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:04,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:27:04,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:04,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:27:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:27:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:27:04,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:04,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:04,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:04,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:27:04,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:04,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:27:04,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:04,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:27:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:27:04,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:04,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:04,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:04,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:27:04,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:27:04,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:04,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:27:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:27:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2020-10-14 07:27:05,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780923988] [2020-10-14 07:27:05,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:27:05,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-14 07:27:05,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810460931] [2020-10-14 07:27:05,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-14 07:27:05,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:27:05,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-14 07:27:05,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 07:27:05,220 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 53 states. [2020-10-14 07:27:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:27:10,367 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2020-10-14 07:27:10,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-14 07:27:10,368 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 176 [2020-10-14 07:27:10,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:27:10,370 INFO L225 Difference]: With dead ends: 168 [2020-10-14 07:27:10,370 INFO L226 Difference]: Without dead ends: 164 [2020-10-14 07:27:10,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 38 SyntacticMatches, 12 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=291, Invalid=9609, Unknown=0, NotChecked=0, Total=9900 [2020-10-14 07:27:10,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-14 07:27:10,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 96. [2020-10-14 07:27:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-14 07:27:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2020-10-14 07:27:10,378 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 176 [2020-10-14 07:27:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:27:10,378 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2020-10-14 07:27:10,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-14 07:27:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2020-10-14 07:27:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 07:27:10,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:27:10,380 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:27:10,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 07:27:10,381 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:27:10,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:27:10,381 INFO L82 PathProgramCache]: Analyzing trace with hash 308359396, now seen corresponding path program 12 times [2020-10-14 07:27:10,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:27:10,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653144577] [2020-10-14 07:27:10,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:27:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:10,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1925 [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 102 [2020-10-14 07:27:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:27:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-14 07:27:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:12,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:27:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:12,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:27:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:27:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:12,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:27:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:14,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:14,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1636 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 101 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-14 07:27:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:14,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:14,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:15,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:15,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 07:27:15,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:15,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-14 07:27:15,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:15,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 98 [2020-10-14 07:27:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-14 07:27:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:15,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:17,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:17,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 07:27:17,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1349 [2020-10-14 07:27:17,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:17,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-14 07:27:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 07:27:17,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:17,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:18,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1271 [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-14 07:27:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:18,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:27:18,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:18,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:19,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:19,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 07:27:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:19,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:19,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:20,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:20,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:27:20,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:20,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:20,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:21,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:27:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:27:21,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:21,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:22,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:22,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:27:22,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-10-14 07:27:22,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:22,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:27:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:27:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:22,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:22,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:23,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:23,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:27:23,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-14 07:27:23,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:23,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:27:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:27:23,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:23,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:23,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:24,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:27:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-14 07:27:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:24,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:27:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:27:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:24,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:24,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:24,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:27:24,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 564 [2020-10-14 07:27:24,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:24,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:27:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:27:24,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:24,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:24,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:25,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:25,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:27:25,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-14 07:27:25,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:25,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:27:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:27:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:25,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:25,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:27:25,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-14 07:27:25,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:25,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:27:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:27:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:26,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:26,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:26,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:26,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:27:26,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 07:27:26,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:26,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:27:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:27:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:26,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:26,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:26,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:27:26,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:26,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-14 07:27:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:26,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:27:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:27:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:26,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:26,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:27,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:27,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:27:27,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:27,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-14 07:27:27,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:27,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:27:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:27:27,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:27,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:27,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:27,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:27,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:27:27,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 07:27:27,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:27,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:27:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:27:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:27,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:27,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:27,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:27,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:27:27,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 07:27:27,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:27,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:27:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:27:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:27,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:27:28,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 07:27:28,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:28,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:27:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:27:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:28,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:28,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:28,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:27:28,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 07:27:28,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:28,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:27:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:27:28,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:28,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:28,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:28,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:27:28,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 07:27:28,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:28,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:27:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:27:28,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:28,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:28,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:28,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:27:28,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 07:27:28,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:28,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:27:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:27:28,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:28,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:28,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:29,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:29,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:27:29,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:27:29,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:29,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:27:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:27:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:29,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:29,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:29,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:27:29,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:27:29,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:29,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:27:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:27:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:29,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:29,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:27:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:27:29,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:29,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:27:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:27:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2020-10-14 07:27:30,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653144577] [2020-10-14 07:27:30,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:27:30,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-14 07:27:30,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894560818] [2020-10-14 07:27:30,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-14 07:27:30,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:27:30,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-14 07:27:30,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 07:27:30,044 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand 55 states. [2020-10-14 07:27:36,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:27:36,051 INFO L93 Difference]: Finished difference Result 174 states and 176 transitions. [2020-10-14 07:27:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-14 07:27:36,058 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 183 [2020-10-14 07:27:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:27:36,059 INFO L225 Difference]: With dead ends: 174 [2020-10-14 07:27:36,059 INFO L226 Difference]: Without dead ends: 170 [2020-10-14 07:27:36,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 45 SyntacticMatches, 7 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=303, Invalid=10409, Unknown=0, NotChecked=0, Total=10712 [2020-10-14 07:27:36,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-14 07:27:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 99. [2020-10-14 07:27:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-14 07:27:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2020-10-14 07:27:36,068 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 183 [2020-10-14 07:27:36,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:27:36,069 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2020-10-14 07:27:36,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-14 07:27:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2020-10-14 07:27:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-14 07:27:36,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:27:36,070 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:27:36,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 07:27:36,071 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:27:36,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:27:36,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1601548961, now seen corresponding path program 12 times [2020-10-14 07:27:36,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:27:36,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364524115] [2020-10-14 07:27:36,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:27:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:38,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2197 [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 106 [2020-10-14 07:27:38,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 07:27:38,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-14 07:27:38,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:27:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:38,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:38,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:27:38,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:27:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:38,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:27:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:38,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:40,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:40,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-14 07:27:40,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1891 [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 105 [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-14 07:27:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:40,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:41,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:41,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 07:27:41,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1532 [2020-10-14 07:27:41,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:41,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:41,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 102 [2020-10-14 07:27:41,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:41,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-14 07:27:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:41,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:41,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:43,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:43,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 07:27:43,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1394 [2020-10-14 07:27:43,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:43,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 98 [2020-10-14 07:27:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-14 07:27:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:43,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:43,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:44,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:44,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-14 07:27:44,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1209 [2020-10-14 07:27:44,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:44,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-14 07:27:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 07:27:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:44,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:45,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:45,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:27:45,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1126 [2020-10-14 07:27:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:45,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-14 07:27:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:27:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:45,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:45,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:46,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:46,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 07:27:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:47,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:47,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:48,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:48,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:27:48,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:48,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-10-14 07:27:48,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:48,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-14 07:27:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-14 07:27:48,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:48,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:49,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:49,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 07:27:49,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:49,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-14 07:27:49,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:49,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-14 07:27:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:49,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 07:27:49,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:49,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:49,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:49,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 675 [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 07:27:49,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:50,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 07:27:50,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-14 07:27:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:50,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-14 07:27:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 07:27:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:50,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:51,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:51,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:27:51,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:51,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-10-14 07:27:51,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:51,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-14 07:27:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:51,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 07:27:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:51,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:51,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:27:51,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-14 07:27:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:51,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-14 07:27:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 07:27:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:51,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:52,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:52,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:27:52,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:52,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-14 07:27:52,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:52,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:52,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-14 07:27:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:27:52,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:52,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:52,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:52,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:27:52,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-14 07:27:52,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:52,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:27:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 07:27:52,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:52,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:52,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:53,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:53,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:27:53,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 07:27:53,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:53,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:27:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 07:27:53,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:53,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:27:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 07:27:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:53,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:27:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:27:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:53,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:53,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:54,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:54,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:27:54,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-14 07:27:54,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:54,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:27:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 07:27:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:27:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:54,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:54,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:54,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 07:27:54,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 07:27:54,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:54,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:27:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:27:54,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:54,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:54,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:27:54,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 07:27:54,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:54,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:27:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:27:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:54,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:54,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:27:54,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 07:27:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:54,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:27:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:27:54,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:55,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:55,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:27:55,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:55,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:27:55,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:55,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:27:55,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:27:55,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:55,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:55,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:55,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 07:27:55,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:27:55,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:55,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:27:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:27:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:55,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:55,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:55,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:55,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:27:55,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:27:55,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:55,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:27:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:27:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:55,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:55,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:55,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:55,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:27:55,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:55,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:27:55,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:55,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:27:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:27:55,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:56,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:56,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:56,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 07:27:56,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:27:56,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:56,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:27:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:27:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:56,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:27:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:27:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:27:56,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:27:56,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:27:56,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:27:56,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:27:56,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:27:56,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:27:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:27:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:27:56,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:27:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:27:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-14 07:27:56,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364524115] [2020-10-14 07:27:56,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:27:56,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-14 07:27:56,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586706879] [2020-10-14 07:27:56,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-14 07:27:56,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:27:56,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-14 07:27:56,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2020-10-14 07:27:56,879 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand 57 states.