/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:32:08,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:32:08,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:32:08,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:32:08,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:32:08,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:32:08,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:32:08,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:32:08,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:32:08,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:32:08,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:32:08,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:32:08,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:32:08,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:32:08,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:32:08,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:32:08,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:32:08,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:32:08,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:32:08,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:32:08,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:32:08,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:32:08,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:32:08,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:32:09,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:32:09,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:32:09,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:32:09,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:32:09,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:32:09,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:32:09,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:32:09,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:32:09,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:32:09,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:32:09,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:32:09,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:32:09,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:32:09,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:32:09,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:32:09,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:32:09,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:32:09,018 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 07:32:09,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:32:09,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:32:09,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:32:09,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:32:09,066 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:32:09,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:32:09,066 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:32:09,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:32:09,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:32:09,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:32:09,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:32:09,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:32:09,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:32:09,070 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:32:09,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:32:09,071 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:32:09,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:32:09,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:32:09,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:32:09,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:32:09,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:32:09,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:32:09,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:32:09,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:32:09,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:32:09,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:32:09,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:32:09,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:32:09,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:32:09,073 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 07:32:09,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:32:09,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:32:09,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:32:09,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:32:09,406 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:32:09,407 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-14 07:32:09,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bba3dc0b/1d3bad0f778045ba9a69963fce98c682/FLAG5db95376f [2020-10-14 07:32:09,920 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:32:09,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-14 07:32:09,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bba3dc0b/1d3bad0f778045ba9a69963fce98c682/FLAG5db95376f [2020-10-14 07:32:10,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bba3dc0b/1d3bad0f778045ba9a69963fce98c682 [2020-10-14 07:32:10,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:32:10,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:32:10,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:32:10,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:32:10,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:32:10,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10, skipping insertion in model container [2020-10-14 07:32:10,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:32:10,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:32:10,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:32:10,540 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:32:10,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:32:10,571 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:32:10,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10 WrapperNode [2020-10-14 07:32:10,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:32:10,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:32:10,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:32:10,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:32:10,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (1/1) ... [2020-10-14 07:32:10,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:32:10,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:32:10,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:32:10,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:32:10,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (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 07:32:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:32:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:32:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-14 07:32:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-14 07:32:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:32:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:32:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:32:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-14 07:32:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-14 07:32:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:32:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:32:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:32:10,932 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:32:10,933 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 07:32:10,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:32:10 BoogieIcfgContainer [2020-10-14 07:32:10,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:32:10,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:32:10,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:32:10,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:32:10,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:32:10" (1/3) ... [2020-10-14 07:32:10,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1118290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:32:10, skipping insertion in model container [2020-10-14 07:32:10,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:10" (2/3) ... [2020-10-14 07:32:10,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1118290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:32:10, skipping insertion in model container [2020-10-14 07:32:10,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:32:10" (3/3) ... [2020-10-14 07:32:10,947 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-10-14 07:32:10,958 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:32:10,965 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:32:10,977 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:32:11,002 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:32:11,002 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:32:11,002 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:32:11,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:32:11,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:32:11,003 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:32:11,003 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:32:11,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:32:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-14 07:32:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 07:32:11,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:11,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:11,026 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:11,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-14 07:32:11,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:11,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879504453] [2020-10-14 07:32:11,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:32:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 07:32:11,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:32:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:11,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:11,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:11,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 07:32:11,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:11,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:11,494 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 07:32:11,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879504453] [2020-10-14 07:32:11,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:32:11,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:32:11,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095939097] [2020-10-14 07:32:11,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:32:11,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:11,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:32:11,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:32:11,533 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-14 07:32:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:11,639 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-14 07:32:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:32:11,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-14 07:32:11,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:11,652 INFO L225 Difference]: With dead ends: 44 [2020-10-14 07:32:11,652 INFO L226 Difference]: Without dead ends: 30 [2020-10-14 07:32:11,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:32:11,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-14 07:32:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-14 07:32:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:32:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-14 07:32:11,704 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-14 07:32:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:11,705 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-14 07:32:11,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:32:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-14 07:32:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-14 07:32:11,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:11,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:11,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:32:11,709 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:11,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:11,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-14 07:32:11,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:11,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064475915] [2020-10-14 07:32:11,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 07:32:11,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 07:32:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:11,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:11,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:11,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:11,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:11,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:11,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:11,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:11,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:11,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:32:11,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:11,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:11,949 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 07:32:11,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064475915] [2020-10-14 07:32:11,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:32:11,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:32:11,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364305944] [2020-10-14 07:32:11,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:32:11,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:11,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:32:11,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:32:11,954 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-14 07:32:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:12,026 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-14 07:32:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:32:12,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-14 07:32:12,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:12,029 INFO L225 Difference]: With dead ends: 36 [2020-10-14 07:32:12,029 INFO L226 Difference]: Without dead ends: 32 [2020-10-14 07:32:12,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:32:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-14 07:32:12,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-14 07:32:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:32:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-14 07:32:12,040 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-14 07:32:12,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:12,041 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-14 07:32:12,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:32:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-14 07:32:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-14 07:32:12,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:12,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:12,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:32:12,044 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:12,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-14 07:32:12,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:12,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450273869] [2020-10-14 07:32:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:12,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:12,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:13,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:32:13,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:32:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1217 [2020-10-14 07:32:13,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:13,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:13,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:13,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:13,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 07:32:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:13,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:13,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:13,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:13,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:13,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:13,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:13,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 07:32:13,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:13,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:13,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:32:13,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:13,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:13,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:13,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:32:13,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:13,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:13,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:13,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:13,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:13,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:13,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:32:13,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450273869] [2020-10-14 07:32:13,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:13,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:32:13,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709673711] [2020-10-14 07:32:13,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:32:13,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:13,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:32:13,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:32:13,542 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-14 07:32:13,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:13,664 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-14 07:32:13,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:32:13,665 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-14 07:32:13,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:13,667 INFO L225 Difference]: With dead ends: 41 [2020-10-14 07:32:13,667 INFO L226 Difference]: Without dead ends: 37 [2020-10-14 07:32:13,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:32:13,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-14 07:32:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-14 07:32:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:32:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:32:13,679 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-14 07:32:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:13,680 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:32:13,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:32:13,680 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:32:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-14 07:32:13,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:13,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:13,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:32:13,683 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:13,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:13,683 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-14 07:32:13,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:13,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584971592] [2020-10-14 07:32:13,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:13,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:13,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:14,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:32:14,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-14 07:32:14,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:14,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:32:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:14,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:14,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:14,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:14,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:14,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:14,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:14,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:14,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:14,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:14,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 07:32:14,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:14,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:32:14,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:14,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:14,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:14,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:32:14,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:14,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:14,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:14,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:14,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:14,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:14,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:14,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:32:14,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584971592] [2020-10-14 07:32:14,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:14,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:32:14,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718056924] [2020-10-14 07:32:14,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:32:14,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:14,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:32:14,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:32:14,229 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-14 07:32:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:14,349 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2020-10-14 07:32:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:32:14,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-14 07:32:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:14,352 INFO L225 Difference]: With dead ends: 46 [2020-10-14 07:32:14,352 INFO L226 Difference]: Without dead ends: 42 [2020-10-14 07:32:14,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:32:14,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-14 07:32:14,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2020-10-14 07:32:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 07:32:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-14 07:32:14,363 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 27 [2020-10-14 07:32:14,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:14,364 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-14 07:32:14,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:32:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-14 07:32:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 07:32:14,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:14,366 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:14,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:32:14,366 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:14,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:14,367 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-10-14 07:32:14,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:14,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577466847] [2020-10-14 07:32:14,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:14,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:14,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:16,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:19,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 07:32:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:32:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:32:19,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:19,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:32:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:19,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:19,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:19,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 07:32:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:32:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-10-14 07:32:20,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 07:32:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:20,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:20,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:20,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:32:20,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:20,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:32:20,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:20,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:20,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:20,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:20,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:20,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:20,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:20,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:20,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:20,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:20,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:20,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:20,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:20,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:20,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:32:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:20,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:20,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 07:32:20,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577466847] [2020-10-14 07:32:20,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:20,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:32:20,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368586276] [2020-10-14 07:32:20,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:32:20,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:20,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:32:20,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:32:20,531 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-14 07:32:20,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:20,640 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2020-10-14 07:32:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:32:20,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-10-14 07:32:20,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:20,643 INFO L225 Difference]: With dead ends: 49 [2020-10-14 07:32:20,643 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 07:32:20,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:32:20,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 07:32:20,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2020-10-14 07:32:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-14 07:32:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2020-10-14 07:32:20,654 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 39 [2020-10-14 07:32:20,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:20,654 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2020-10-14 07:32:20,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:32:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2020-10-14 07:32:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 07:32:20,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:20,656 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:20,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:32:20,657 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:20,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:20,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1428455685, now seen corresponding path program 1 times [2020-10-14 07:32:20,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:20,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975972499] [2020-10-14 07:32:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:21,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:25,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 07:32:25,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:32:25,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:32:25,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:25,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:25,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 07:32:25,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:25,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:25,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:25,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:25,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:25,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:25,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:25,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:25,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:25,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:25,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:26,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:32:26,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:32:26,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-14 07:32:26,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:26,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:26,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:32:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 07:32:26,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:26,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:26,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:26,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:26,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:26,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 07:32:26,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:26,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:26,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:26,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:32:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:26,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:26,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:26,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:26,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:26,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:32:26,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:26,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:26,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:26,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:26,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:26,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:26,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:32:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:26,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:26,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:26,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:26,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:26,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:32:26,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:26,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 07:32:27,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975972499] [2020-10-14 07:32:27,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:27,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:32:27,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608519008] [2020-10-14 07:32:27,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:32:27,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:27,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:32:27,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:32:27,018 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 7 states. [2020-10-14 07:32:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:27,207 INFO L93 Difference]: Finished difference Result 53 states and 73 transitions. [2020-10-14 07:32:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:32:27,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-10-14 07:32:27,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:27,210 INFO L225 Difference]: With dead ends: 53 [2020-10-14 07:32:27,211 INFO L226 Difference]: Without dead ends: 49 [2020-10-14 07:32:27,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:32:27,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-14 07:32:27,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2020-10-14 07:32:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-14 07:32:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-14 07:32:27,231 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 40 [2020-10-14 07:32:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:27,231 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-14 07:32:27,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:32:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-14 07:32:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:32:27,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:27,238 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:27,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:32:27,239 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:27,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:27,239 INFO L82 PathProgramCache]: Analyzing trace with hash -910208130, now seen corresponding path program 1 times [2020-10-14 07:32:27,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:27,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652394228] [2020-10-14 07:32:27,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:32,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 07:32:32,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:32:32,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 07:32:32,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:32,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:32:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:32,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:32:32,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:32,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:32,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:32,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:32,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:32,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:32,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:32,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:32,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:32,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 07:32:36,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:32:36,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3970 [2020-10-14 07:32:36,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 07:32:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:36,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:32:36,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:32:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:36,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:36,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:32:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:36,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:32:36,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:36,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:32:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:32:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:32:36,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:36,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:32:36,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 07:32:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:36,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:36,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:36,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:32:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:36,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:36,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 07:32:36,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652394228] [2020-10-14 07:32:36,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:36,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:32:36,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821129861] [2020-10-14 07:32:36,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:32:36,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:36,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:32:36,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:32:36,389 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 6 states. [2020-10-14 07:32:36,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:36,485 INFO L93 Difference]: Finished difference Result 86 states and 132 transitions. [2020-10-14 07:32:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:32:36,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-14 07:32:36,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:36,489 INFO L225 Difference]: With dead ends: 86 [2020-10-14 07:32:36,489 INFO L226 Difference]: Without dead ends: 48 [2020-10-14 07:32:36,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:32:36,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-14 07:32:36,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2020-10-14 07:32:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-14 07:32:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2020-10-14 07:32:36,507 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 52 [2020-10-14 07:32:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:36,508 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2020-10-14 07:32:36,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:32:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2020-10-14 07:32:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 07:32:36,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:36,515 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:36,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:32:36,518 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:36,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:36,519 INFO L82 PathProgramCache]: Analyzing trace with hash 794281190, now seen corresponding path program 1 times [2020-10-14 07:32:36,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:36,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129220660] [2020-10-14 07:32:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:36,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:36,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:38,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:41,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 07:32:41,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:32:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:32:41,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:41,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:32:41,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:41,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:41,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:41,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:41,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:41,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:32:46,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:32:46,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:32:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 07:32:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:46,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:46,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:32:46,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:32:46,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:46,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:46,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:32:46,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:46,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:46,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:46,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:46,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:46,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:46,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:46,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:32:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:32:46,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:32:46,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 07:32:46,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:46,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:46,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:46,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:46,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:46,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:46,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:46,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:46,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:46,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:32:46,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:32:46,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:46,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:46,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:46,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 07:32:46,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129220660] [2020-10-14 07:32:46,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:46,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:32:46,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585276242] [2020-10-14 07:32:46,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:32:46,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:46,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:32:46,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:32:46,751 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 9 states. [2020-10-14 07:32:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:46,903 INFO L93 Difference]: Finished difference Result 64 states and 95 transitions. [2020-10-14 07:32:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:32:46,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-14 07:32:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:46,907 INFO L225 Difference]: With dead ends: 64 [2020-10-14 07:32:46,907 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 07:32:46,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:32:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 07:32:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-14 07:32:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 07:32:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2020-10-14 07:32:46,919 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 54 [2020-10-14 07:32:46,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:46,919 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2020-10-14 07:32:46,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:32:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2020-10-14 07:32:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 07:32:46,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:46,921 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:46,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:32:46,921 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:46,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:46,922 INFO L82 PathProgramCache]: Analyzing trace with hash 148008126, now seen corresponding path program 1 times [2020-10-14 07:32:46,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:46,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147259277] [2020-10-14 07:32:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:47,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:51,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 07:32:51,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:32:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:32:51,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:51,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:32:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 07:32:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:32:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:32:51,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:32:51,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:51,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:51,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:32:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:52,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:56,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:56,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 07:32:56,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:32:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:32:56,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:56,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:32:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:32:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:32:56,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:56,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:56,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:32:57,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:57,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 07:32:57,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:57,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:32:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:32:57,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:57,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:57,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:57,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:57,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:57,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:32:57,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:57,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:57,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:32:57,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:57,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:32:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:32:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:57,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:57,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:57,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:32:57,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:57,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:32:57,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:57,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 07:32:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:57,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:32:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:32:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:57,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:57,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:57,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:57,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:57,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:57,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:32:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:32:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:32:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:32:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:32:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 07:32:57,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147259277] [2020-10-14 07:32:57,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:32:57,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:32:57,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147653045] [2020-10-14 07:32:57,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:32:57,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:32:57,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:32:57,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:32:57,140 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 9 states. [2020-10-14 07:32:57,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:32:57,295 INFO L93 Difference]: Finished difference Result 91 states and 166 transitions. [2020-10-14 07:32:57,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:32:57,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-14 07:32:57,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:32:57,298 INFO L225 Difference]: With dead ends: 91 [2020-10-14 07:32:57,298 INFO L226 Difference]: Without dead ends: 87 [2020-10-14 07:32:57,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:32:57,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-14 07:32:57,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2020-10-14 07:32:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 07:32:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 138 transitions. [2020-10-14 07:32:57,315 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 138 transitions. Word has length 56 [2020-10-14 07:32:57,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:32:57,315 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 138 transitions. [2020-10-14 07:32:57,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:32:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 138 transitions. [2020-10-14 07:32:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-14 07:32:57,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:32:57,317 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:32:57,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:32:57,318 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:32:57,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:32:57,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1316787934, now seen corresponding path program 1 times [2020-10-14 07:32:57,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:32:57,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884789006] [2020-10-14 07:32:57,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:32:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:32:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:57,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:58,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:32:58,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:01,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 07:33:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:02,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:02,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:02,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:02,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:03,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:06,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:33:07,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:33:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:33:07,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 07:33:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:07,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:07,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 07:33:07,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:33:07,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:33:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:33:07,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:07,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:07,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:07,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:33:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:07,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:07,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:33:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:07,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:07,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 07:33:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:07,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 07:33:07,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:33:07,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:33:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:07,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:07,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:33:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:07,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:33:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:07,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:33:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:33:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 07:33:07,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884789006] [2020-10-14 07:33:07,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:07,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 07:33:07,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491710437] [2020-10-14 07:33:07,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:33:07,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:07,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:33:07,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:33:07,822 INFO L87 Difference]: Start difference. First operand 81 states and 138 transitions. Second operand 6 states. [2020-10-14 07:33:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:07,899 INFO L93 Difference]: Finished difference Result 158 states and 309 transitions. [2020-10-14 07:33:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:33:07,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-10-14 07:33:07,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:07,901 INFO L225 Difference]: With dead ends: 158 [2020-10-14 07:33:07,901 INFO L226 Difference]: Without dead ends: 83 [2020-10-14 07:33:07,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:33:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-14 07:33:07,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-14 07:33:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-14 07:33:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 144 transitions. [2020-10-14 07:33:07,931 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 144 transitions. Word has length 80 [2020-10-14 07:33:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:07,931 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 144 transitions. [2020-10-14 07:33:07,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:33:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2020-10-14 07:33:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 07:33:07,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:07,934 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:07,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:33:07,934 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:07,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1751947273, now seen corresponding path program 1 times [2020-10-14 07:33:07,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:07,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642077321] [2020-10-14 07:33:07,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:07,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:07,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:12,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 07:33:12,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:33:12,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:33:12,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:12,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:33:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 07:33:12,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:12,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:12,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:12,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:12,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:12,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:12,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:12,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:12,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:12,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:12,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:13,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:14,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:15,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:17,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:33:17,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:18,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:33:18,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:18,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:18,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:18,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:18,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:18,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:18,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:18,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:18,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:18,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:18,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:33:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:33:18,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:18,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:18,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:18,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:18,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 07:33:18,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642077321] [2020-10-14 07:33:18,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:18,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:33:18,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722629841] [2020-10-14 07:33:18,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:33:18,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:18,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:33:18,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:33:18,174 INFO L87 Difference]: Start difference. First operand 83 states and 144 transitions. Second operand 9 states. [2020-10-14 07:33:18,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:18,321 INFO L93 Difference]: Finished difference Result 108 states and 206 transitions. [2020-10-14 07:33:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:33:18,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-14 07:33:18,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:18,325 INFO L225 Difference]: With dead ends: 108 [2020-10-14 07:33:18,325 INFO L226 Difference]: Without dead ends: 104 [2020-10-14 07:33:18,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:33:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-14 07:33:18,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 93. [2020-10-14 07:33:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-14 07:33:18,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 163 transitions. [2020-10-14 07:33:18,342 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 163 transitions. Word has length 69 [2020-10-14 07:33:18,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:18,342 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 163 transitions. [2020-10-14 07:33:18,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:33:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 163 transitions. [2020-10-14 07:33:18,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 07:33:18,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:18,344 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:18,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:33:18,345 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:18,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:18,345 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-10-14 07:33:18,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:18,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839955345] [2020-10-14 07:33:18,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:18,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:18,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:19,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:23,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:33:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:23,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:23,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:23,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:23,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:24,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:27,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:33:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-14 07:33:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:33:28,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:28,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:33:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 07:33:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:28,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:28,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:28,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:33:28,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-14 07:33:28,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:28,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:28,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:28,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:28,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:33:28,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:28,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:28,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:28,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:33:28,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:33:28,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:28,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:33:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:28,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:28,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:28,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:28,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:28,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:28,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:28,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:28,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:28,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:28,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:28,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:28,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:28,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:28,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:33:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:28,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:29,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:29,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:29,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:29,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:29,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:33:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:29,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:29,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:29,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:29,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:29,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:29,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:29,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:29,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:29,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 29 proven. 59 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-14 07:33:29,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839955345] [2020-10-14 07:33:29,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:29,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:33:29,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460071789] [2020-10-14 07:33:29,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:33:29,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:29,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:33:29,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:33:29,421 INFO L87 Difference]: Start difference. First operand 93 states and 163 transitions. Second operand 13 states. [2020-10-14 07:33:29,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:29,900 INFO L93 Difference]: Finished difference Result 214 states and 440 transitions. [2020-10-14 07:33:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:33:29,900 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-10-14 07:33:29,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:29,903 INFO L225 Difference]: With dead ends: 214 [2020-10-14 07:33:29,903 INFO L226 Difference]: Without dead ends: 111 [2020-10-14 07:33:29,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2020-10-14 07:33:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-14 07:33:29,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 96. [2020-10-14 07:33:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-14 07:33:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2020-10-14 07:33:29,918 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 82 [2020-10-14 07:33:29,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:29,918 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2020-10-14 07:33:29,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:33:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2020-10-14 07:33:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 07:33:29,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:29,920 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:29,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 07:33:29,921 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:29,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:29,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1888053581, now seen corresponding path program 1 times [2020-10-14 07:33:29,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:29,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570951504] [2020-10-14 07:33:29,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:29,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:31,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:34,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:34,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 07:33:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 07:33:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:33:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:34,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:33:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:33:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:33:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:34,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:34,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:34,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:34,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:34,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:34,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:34,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:34,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:35,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:36,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:38,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:39,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 07:33:39,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:33:39,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:33:39,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:39,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:33:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 07:33:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:39,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:39,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:39,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:40,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 07:33:43,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3122 [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 07:33:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:43,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:43,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-14 07:33:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 07:33:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:43,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:43,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:43,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:43,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:43,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:43,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:43,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:43,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:43,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:43,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:33:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:43,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:43,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:43,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:43,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:43,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:43,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:43,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:43,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:43,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:43,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:43,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:43,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:43,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:43,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:43,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:33:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:33:43,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:43,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:43,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 68 proven. 31 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-14 07:33:43,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570951504] [2020-10-14 07:33:43,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:43,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:33:43,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803082235] [2020-10-14 07:33:43,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:33:43,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:43,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:33:43,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:33:43,871 INFO L87 Difference]: Start difference. First operand 96 states and 151 transitions. Second operand 11 states. [2020-10-14 07:33:44,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:44,092 INFO L93 Difference]: Finished difference Result 209 states and 364 transitions. [2020-10-14 07:33:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:33:44,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-10-14 07:33:44,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:44,094 INFO L225 Difference]: With dead ends: 209 [2020-10-14 07:33:44,095 INFO L226 Difference]: Without dead ends: 119 [2020-10-14 07:33:44,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:33:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-14 07:33:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 110. [2020-10-14 07:33:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-14 07:33:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 184 transitions. [2020-10-14 07:33:44,110 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 184 transitions. Word has length 95 [2020-10-14 07:33:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:44,110 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 184 transitions. [2020-10-14 07:33:44,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:33:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2020-10-14 07:33:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 07:33:44,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:44,113 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:44,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 07:33:44,113 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:44,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:44,114 INFO L82 PathProgramCache]: Analyzing trace with hash 940800334, now seen corresponding path program 2 times [2020-10-14 07:33:44,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:44,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700814152] [2020-10-14 07:33:44,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:44,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:44,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 07:33:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 07:33:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:49,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:33:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:49,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:49,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:33:49,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:49,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:49,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:49,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:33:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:49,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:51,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:52,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:52,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:52,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:52,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:52,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:54,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 07:33:54,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-14 07:33:54,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:33:54,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:54,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:33:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:33:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:33:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:54,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:54,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 07:33:59,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 07:33:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:33:59,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:33:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:33:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:33:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:33:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:59,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:33:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:33:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:33:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:33:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:33:59,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:59,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:59,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:33:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:33:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 07:33:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:33:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:33:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:33:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:33:59,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:59,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:33:59,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:33:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:33:59,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:33:59,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:33:59,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:33:59,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:33:59,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:33:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:33:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:33:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:33:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:33:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 60 proven. 72 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-10-14 07:33:59,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700814152] [2020-10-14 07:33:59,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:33:59,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:33:59,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409357905] [2020-10-14 07:33:59,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:33:59,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:33:59,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:33:59,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:33:59,646 INFO L87 Difference]: Start difference. First operand 110 states and 184 transitions. Second operand 11 states. [2020-10-14 07:33:59,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:33:59,927 INFO L93 Difference]: Finished difference Result 281 states and 568 transitions. [2020-10-14 07:33:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:33:59,928 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-10-14 07:33:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:33:59,931 INFO L225 Difference]: With dead ends: 281 [2020-10-14 07:33:59,932 INFO L226 Difference]: Without dead ends: 154 [2020-10-14 07:33:59,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2020-10-14 07:33:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-14 07:33:59,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126. [2020-10-14 07:33:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-14 07:33:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 216 transitions. [2020-10-14 07:33:59,960 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 216 transitions. Word has length 108 [2020-10-14 07:33:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:33:59,960 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 216 transitions. [2020-10-14 07:33:59,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:33:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2020-10-14 07:33:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 07:33:59,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:33:59,963 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:33:59,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 07:33:59,964 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:33:59,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:33:59,964 INFO L82 PathProgramCache]: Analyzing trace with hash -951454545, now seen corresponding path program 3 times [2020-10-14 07:33:59,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:33:59,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53856201] [2020-10-14 07:33:59,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:33:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:33:59,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:33:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:00,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:02,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:04,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:04,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:34:04,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 07:34:04,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:34:04,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:04,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:04,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:04,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 07:34:04,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:34:04,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:04,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:04,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:04,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:04,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:04,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:04,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:04,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:04,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:04,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:05,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:06,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:10,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 07:34:10,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-14 07:34:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 07:34:10,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:10,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 07:34:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:34:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:11,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 07:34:15,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:34:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:15,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:15,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:15,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:15,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:15,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:15,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:15,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:15,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:15,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:15,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:15,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:15,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:15,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:34:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:34:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-14 07:34:15,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:34:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:34:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:34:15,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:15,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:34:15,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:34:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:34:15,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:15,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:34:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:34:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:34:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 07:34:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:34:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:15,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:15,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:15,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:15,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:15,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:15,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:15,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:15,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:15,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:15,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:15,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:15,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:34:15,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:15,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 07:34:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:15,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:15,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:16,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:16,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:16,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:16,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:16,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:20,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:20,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:20,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:20,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:22,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1318 [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 07:34:22,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:34:22,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:22,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:22,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:22,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:22,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 07:34:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:22,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:22,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:22,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:22,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:22,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:22,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:22,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:22,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 105 proven. 94 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-10-14 07:34:22,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53856201] [2020-10-14 07:34:22,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:34:22,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:34:22,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17041939] [2020-10-14 07:34:22,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:34:22,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:34:22,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:34:22,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:34:22,157 INFO L87 Difference]: Start difference. First operand 126 states and 216 transitions. Second operand 9 states. [2020-10-14 07:34:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:34:22,404 INFO L93 Difference]: Finished difference Result 248 states and 476 transitions. [2020-10-14 07:34:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:34:22,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-10-14 07:34:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:34:22,408 INFO L225 Difference]: With dead ends: 248 [2020-10-14 07:34:22,409 INFO L226 Difference]: Without dead ends: 128 [2020-10-14 07:34:22,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:34:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-14 07:34:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 119. [2020-10-14 07:34:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-14 07:34:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 203 transitions. [2020-10-14 07:34:22,454 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 203 transitions. Word has length 151 [2020-10-14 07:34:22,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:34:22,456 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 203 transitions. [2020-10-14 07:34:22,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:34:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2020-10-14 07:34:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 07:34:22,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:34:22,462 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:34:22,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 07:34:22,462 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:34:22,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:34:22,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1683140199, now seen corresponding path program 4 times [2020-10-14 07:34:22,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:34:22,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287851724] [2020-10-14 07:34:22,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:34:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:22,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:22,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:24,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:34:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 07:34:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:27,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:28,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:32,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 07:34:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:32,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:34,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:34,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:34,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:35,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:37,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:37,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:34:37,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-14 07:34:37,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 07:34:37,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:37,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:34:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:34:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 07:34:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:37,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:37,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:38,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-14 07:34:38,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:38,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:34:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:34:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:38,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:38,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:38,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:34:38,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 07:34:38,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:38,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:34:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:34:38,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:38,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:38,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:38,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:38,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:38,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:38,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:38,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:38,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:38,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:38,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:38,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:34:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:38,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:38,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:38,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:38,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:38,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:38,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:38,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:34:43,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:34:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 07:34:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:34:43,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:43,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:34:43,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:43,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:34:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-14 07:34:43,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:34:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:34:43,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:43,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:34:43,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:43,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:43,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:43,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:43,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:43,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 07:34:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:34:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:43,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:43,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:43,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:43,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:43,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:43,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 86 proven. 169 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-10-14 07:34:43,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287851724] [2020-10-14 07:34:43,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:34:43,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:34:43,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752911228] [2020-10-14 07:34:43,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:34:43,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:34:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:34:43,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:34:43,969 INFO L87 Difference]: Start difference. First operand 119 states and 203 transitions. Second operand 13 states. [2020-10-14 07:34:44,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:34:44,462 INFO L93 Difference]: Finished difference Result 261 states and 489 transitions. [2020-10-14 07:34:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:34:44,467 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-14 07:34:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:34:44,470 INFO L225 Difference]: With dead ends: 261 [2020-10-14 07:34:44,470 INFO L226 Difference]: Without dead ends: 137 [2020-10-14 07:34:44,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2020-10-14 07:34:44,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-14 07:34:44,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 109. [2020-10-14 07:34:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-14 07:34:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 166 transitions. [2020-10-14 07:34:44,484 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 166 transitions. Word has length 150 [2020-10-14 07:34:44,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:34:44,485 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 166 transitions. [2020-10-14 07:34:44,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:34:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 166 transitions. [2020-10-14 07:34:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 07:34:44,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:34:44,487 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:34:44,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 07:34:44,487 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:34:44,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:34:44,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 5 times [2020-10-14 07:34:44,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:34:44,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165366078] [2020-10-14 07:34:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:34:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:44,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:44,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:44,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:44,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:44,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:34:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:34:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 07:34:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:34:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:49,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:34:49,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:49,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:49,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:49,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:49,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:34:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:49,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:54,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:34:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:34:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 07:34:54,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:54,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:54,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:54,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:54,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:34:59,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:34:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:34:59,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:34:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:34:59,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:34:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-14 07:34:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:34:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:34:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:59,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:34:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:34:59,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:34:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:34:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:59,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:34:59,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:34:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:34:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:34:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:59,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:34:59,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:34:59,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:59,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:34:59,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:34:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:34:59,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:34:59,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:34:59,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:59,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:34:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:59,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:59,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:59,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:34:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:34:59,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:34:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:34:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:34:59,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:34:59,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:34:59,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 23 proven. 107 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-14 07:35:00,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165366078] [2020-10-14 07:35:00,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:00,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:35:00,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204904651] [2020-10-14 07:35:00,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:35:00,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:00,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:35:00,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:35:00,008 INFO L87 Difference]: Start difference. First operand 109 states and 166 transitions. Second operand 11 states. [2020-10-14 07:35:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:00,239 INFO L93 Difference]: Finished difference Result 134 states and 213 transitions. [2020-10-14 07:35:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:35:00,239 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-10-14 07:35:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:00,241 INFO L225 Difference]: With dead ends: 134 [2020-10-14 07:35:00,241 INFO L226 Difference]: Without dead ends: 130 [2020-10-14 07:35:00,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:35:00,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-14 07:35:00,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 114. [2020-10-14 07:35:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-14 07:35:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 180 transitions. [2020-10-14 07:35:00,259 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 180 transitions. Word has length 109 [2020-10-14 07:35:00,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:00,259 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 180 transitions. [2020-10-14 07:35:00,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:35:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2020-10-14 07:35:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 07:35:00,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:00,263 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:00,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 07:35:00,263 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:00,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:00,264 INFO L82 PathProgramCache]: Analyzing trace with hash -331333537, now seen corresponding path program 6 times [2020-10-14 07:35:00,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:00,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230243126] [2020-10-14 07:35:00,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:00,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:00,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:01,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 07:35:05,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:05,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:05,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:05,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 07:35:10,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 07:35:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:35:10,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:10,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:35:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 07:35:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:10,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:10,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:15,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:15,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 07:35:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:15,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:15,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:15,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:15,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:15,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:15,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:35:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 977 [2020-10-14 07:35:16,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:35:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:35:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:16,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:35:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:16,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:16,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:16,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:16,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:16,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:16,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:16,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:16,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:16,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:16,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:16,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:16,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:16,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:16,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:35:16,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:16,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:16,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:16,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:35:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:16,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:17,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:17,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-14 07:35:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:17,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:35:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:35:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:35:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:17,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:17,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:17,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:35:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:17,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:35:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:17,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:17,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:17,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:17,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:17,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:17,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:17,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:17,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:17,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 07:35:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:17,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:35:18,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 837 [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:18,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:35:18,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:18,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:18,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:18,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:18,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:18,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 105 proven. 109 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2020-10-14 07:35:18,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230243126] [2020-10-14 07:35:18,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:18,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:35:18,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060841125] [2020-10-14 07:35:18,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:35:18,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:18,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:35:18,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:35:18,089 INFO L87 Difference]: Start difference. First operand 114 states and 180 transitions. Second operand 11 states. [2020-10-14 07:35:18,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:18,411 INFO L93 Difference]: Finished difference Result 285 states and 552 transitions. [2020-10-14 07:35:18,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:35:18,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2020-10-14 07:35:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:18,414 INFO L225 Difference]: With dead ends: 285 [2020-10-14 07:35:18,414 INFO L226 Difference]: Without dead ends: 172 [2020-10-14 07:35:18,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:35:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-14 07:35:18,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2020-10-14 07:35:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-14 07:35:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 241 transitions. [2020-10-14 07:35:18,431 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 241 transitions. Word has length 151 [2020-10-14 07:35:18,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:18,431 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 241 transitions. [2020-10-14 07:35:18,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:35:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2020-10-14 07:35:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 07:35:18,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:18,435 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 15, 15, 14, 13, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:18,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 07:35:18,436 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:18,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:18,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1153867515, now seen corresponding path program 7 times [2020-10-14 07:35:18,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:18,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919155719] [2020-10-14 07:35:18,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:20,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:20,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:23,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-14 07:35:23,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 07:35:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 07:35:23,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:23,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 07:35:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 07:35:23,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:23,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:23,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:23,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:23,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:23,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:26,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:26,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:26,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:28,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:28,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-14 07:35:28,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 07:35:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 07:35:28,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:28,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:35:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:35:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:28,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:28,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:28,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:28,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:28,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:28,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:28,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:29,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:32,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:35:33,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-14 07:35:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:35:33,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:33,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:35:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:35:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:33,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:33,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:33,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:33,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-14 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:35:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:34,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-14 07:35:34,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:35:34,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:35:34,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:34,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:35:34,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:35:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:34,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:35:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:35:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:35:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:35:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:35:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:34,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:34,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:34,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:35:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:34,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:34,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:34,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:34,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:34,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:34,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:34,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:34,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:34,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:34,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:34,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 07:35:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:34,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:35,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:35,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:35,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:39,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:39,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 07:35:39,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:35:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:35:39,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:39,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:35:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 07:35:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 07:35:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:39,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:40,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:40,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:44,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:44,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:35:44,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:35:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:35:44,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:44,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:35:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 07:35:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:45,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:45,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:45,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:45,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:45,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:45,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:45,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:35:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:45,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:35:45,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:45,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:45,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:45,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:35:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:35:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:45,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:46,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:46,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:35:50,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 07:35:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:35:50,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:50,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 07:35:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 07:35:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:50,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:50,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:35:55,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 07:35:55,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:35:55,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:35:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 07:35:55,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:55,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:35:55,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-14 07:35:55,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 07:35:55,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:55,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:55,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:35:55,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:55,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:55,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:55,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:55,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:55,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 07:35:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:55,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:35:55,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:35:55,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:55,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:35:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 07:35:55,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:55,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 07:35:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:35:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:55,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:55,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:55,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:35:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:55,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:35:55,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:35:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 07:35:55,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:55,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:35:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:35:55,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 375 proven. 430 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2020-10-14 07:35:55,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919155719] [2020-10-14 07:35:55,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:55,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 07:35:55,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161646973] [2020-10-14 07:35:55,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 07:35:55,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:55,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 07:35:55,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:35:55,879 INFO L87 Difference]: Start difference. First operand 153 states and 241 transitions. Second operand 23 states. [2020-10-14 07:35:56,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:56,750 INFO L93 Difference]: Finished difference Result 333 states and 668 transitions. [2020-10-14 07:35:56,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 07:35:56,751 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 232 [2020-10-14 07:35:56,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:56,753 INFO L225 Difference]: With dead ends: 333 [2020-10-14 07:35:56,754 INFO L226 Difference]: Without dead ends: 158 [2020-10-14 07:35:56,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=1196, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 07:35:56,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-14 07:35:56,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 146. [2020-10-14 07:35:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-14 07:35:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 221 transitions. [2020-10-14 07:35:56,769 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 221 transitions. Word has length 232 [2020-10-14 07:35:56,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:56,769 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 221 transitions. [2020-10-14 07:35:56,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 07:35:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2020-10-14 07:35:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-14 07:35:56,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:56,773 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:56,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 07:35:56,773 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:56,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:56,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1318960297, now seen corresponding path program 1 times [2020-10-14 07:35:56,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:56,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895113359] [2020-10-14 07:35:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:57,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:00,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:00,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:01,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-14 07:36:01,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 07:36:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 07:36:01,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:01,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:36:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 07:36:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:36:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:01,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:01,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:01,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:01,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:36:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 07:36:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:36:06,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:06,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:36:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:06,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:10,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:10,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:11,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:36:11,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-14 07:36:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:36:11,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:11,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:36:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 07:36:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 07:36:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:11,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 07:36:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:11,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking...